Remove dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196066 91177308-0d34-0410-b5e6-96231b3b80d8
Remove #if 0 declarations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196067 91177308-0d34-0410-b5e6-96231b3b80d8
Remove leftovers from a non-MC asm printer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196068 91177308-0d34-0410-b5e6-96231b3b80d8