remove special handling of appl functions

.../com/oracle/truffle/r/ffi/impl/llvm/TruffleLLVM_Misc.java

...com/oracle/truffle/r/ffi/impl/llvm/TruffleLLVM_RAppl.java

...acle/truffle/r/ffi/impl/llvm/TruffleLLVM_RFFIFactory.java

...racle/truffle/r/ffi/impl/managed/Managed_RFFIFactory.java

...src/com/oracle/truffle/r/ffi/impl/nfi/NativeFunction.java

...rc/com/oracle/truffle/r/ffi/impl/nfi/TruffleNFI_Misc.java

...c/com/oracle/truffle/r/ffi/impl/nfi/TruffleNFI_RAppl.java

...oracle/truffle/r/ffi/impl/nfi/TruffleNFI_RFFIFactory.java

...e.truffle.r.native/fficall/src/truffle_common/appl_rffi.c

com.oracle.truffle.r.native/library/base/src/registration.c

...om/oracle/truffle/r/nodes/builtin/base/foreign/Dqrcf.java

...m/oracle/truffle/r/nodes/builtin/base/foreign/Dqrdc2.java

...m/oracle/truffle/r/nodes/builtin/base/foreign/Dqrqty.java

...om/oracle/truffle/r/nodes/builtin/base/foreign/Dqrqy.java

...m/oracle/truffle/r/nodes/builtin/base/foreign/Dqrrsd.java

...om/oracle/truffle/r/nodes/builtin/base/foreign/Dqrxb.java

...le/r/nodes/builtin/base/foreign/FortranAndCFunctions.java

.../com/oracle/truffle/r/nodes/builtin/fastr/FastrDqrls.java

.../src/com/oracle/truffle/r/nodes/test/ExtBuiltinsList.java

...untime/src/com/oracle/truffle/r/runtime/ffi/MiscRFFI.java