cleanup copyright overrides

mx.fastr/copyrights/overrides

-com.oracle.truffle.r.native/builtinlibs/src/fft.c,gnu_r_gentleman_ihaka.copyright
 com.oracle.truffle.r.native/builtinlibs/src/rdummy.c,no.copyright
 com.oracle.truffle.r.native/fficall/jni/src/rfficall.c,gnu_r.copyright
 com.oracle.truffle.r.native/include/jni/src/R_ext/GraphicsDevice.h,no.copyright
@@ -35,7 +34,6 @@ com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/unary/IsFactorNode.jav
 com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/unary/InheritsNode.java,purdue.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/DuplicatedFunctions.java,purdue.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/APerm.java,purdue.copyright
-com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/Base.r,gnu_r.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/BaseVariables.java,gnu_r.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/BaseGammaFunctions.java,gnu_r_ihaka.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/BitwiseFunctions.java,purdue.copyright
@@ -54,11 +52,9 @@ com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/F
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/GetClass.java,purdue.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/GrepFunctions.java,gnu_r.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/Inherits.java,purdue.copyright
-com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/IsArray.java,purdue.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/LoadFunctions.java,gnu_r_gentleman_ihaka.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/LaFunctions.java,gnu_r.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/HiddenInternalFunctions.java,gnu_r.copyright
-com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/IsCall.java,purdue.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/Order.java,gnu_r_gentleman_ihaka.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/Prod.java,purdue.copyright
 com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/RepeatLength.java,purdue.copyright
@@ -85,79 +81,46 @@ com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/methods/MethodsLis
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/Covcor.java,gnu_r.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/GammaFunctions.java,gnu_r_qgamma.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/Random2.java,gnu_r.copyright
-com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/Rnorm.java,gnu_r.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/SplineFunctions.java,gnu_r_splines.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/StatsUtil.java,gnu_r_ihaka.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/utils/CountFields.java,gnu_r.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/utils/Menu.java,gnu_r.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/utils/WriteTable.java,gnu_r.copyright
 com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/tools/Text.java,gnu_r.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ParseException.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ParseUtil.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/R.g,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/ASTNode.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/AccessVariable.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/AccessVector.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Add.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/And.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/ArgumentList.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/AssignVariable.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/BinaryOperation.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Break.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Call.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Colon.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Constant.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/ControlStatement.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Div.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/EQ.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/ElementwiseAnd.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/ElementwiseOr.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/FieldAccess.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/FieldOperator.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/For.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Function.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/FunctionCall.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/GE.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/GT.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/If.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/In.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/IntegerDiv.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/LE.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/LT.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Loop.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/MatMult.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Mod.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Mult.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/NE.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Next.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/NodeVisitor.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Not.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Operation.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Or.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/OuterMult.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Pow.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Precedence.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/PrettyName.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Repeat.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Sequence.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/SimpleAccessVariable.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/SimpleAssignVariable.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Sub.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Symbol.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/UnaryMinus.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/UnaryOperation.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/UnaryPlus.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/UpdateField.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/UpdateVector.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/Visitor.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/ast/While.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/tools/BasicVisitor.java,purdue.copyright
-com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/tools/DuplicateVisitor.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/tools/PrettyPrinter.java,purdue.copyright
 com.oracle.truffle.r.parser/src/com/oracle/truffle/r/parser/tools/TreeViewer.java,purdue.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RSerialize.java,gnu_r.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RDeparse.java,gnu_r.copyright
-com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/ConditionsSupport.java,gnu_r.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RError.java,gnu_r.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RErrorHandling.java,gnu_r.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/ROptions.java,gnu_r.copyright
@@ -174,9 +137,6 @@ com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/gnur/SEXPTYPE.java
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/ops/BinaryArithmetic.java,gnu_r_purdue.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/ops/UnaryArithmetic.java,gnu_r_unary.copyright
 com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/TestBase.java,purdue.copyright
-com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/all/AllTests.java,no.copyright
-com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/failing/FailingTests.java,no.copyright
-com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/failing/TestSimpleFailing.java,no.copyright
 com.oracle.truffle.r.test.native/urand/src/urand.c,gnu_r.copyright
 com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/library/base/TestSimpleArithmetic.java,purdue.copyright
 com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/library/base/TestSimpleArrays.java,purdue.copyright