Another attempt at fixing the bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184318 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184320 91177308-0d34-0410-b5e6-96231b3b80d8