Remove dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212244 91177308-0d34-0410-b5e6-96231b3b80d8
Make these preprocessor directives match all of the others in the port.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212245 91177308-0d34-0410-b5e6-96231b3b80d8