Fix small typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173298 91177308-0d34-0410-b5e6-96231b3b80d8
Remove dead methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173302 91177308-0d34-0410-b5e6-96231b3b80d8