revert some base R files to match GnuR

...tin/src/com/oracle/truffle/r/nodes/builtin/base/R/apply.R

...ltin/src/com/oracle/truffle/r/nodes/builtin/base/R/diff.R

...n/src/com/oracle/truffle/r/nodes/builtin/base/R/dynload.R

...tin/src/com/oracle/truffle/r/nodes/builtin/base/R/eigen.R

...n/src/com/oracle/truffle/r/nodes/builtin/base/R/formals.R

...tin/src/com/oracle/truffle/r/nodes/builtin/base/R/match.R

...tin/src/com/oracle/truffle/r/nodes/builtin/base/R/parse.R

...tin/src/com/oracle/truffle/r/nodes/builtin/base/R/paste.R

...n/src/com/oracle/truffle/r/nodes/builtin/base/R/version.R

...tin/src/com/oracle/truffle/r/nodes/builtin/base/R/which.R