Remove an unnecessary file; NFC.

This source file has not been needed since r346522 and was triggering diagnostics in MSVC about an object file which exports no public symbols (LNK4221).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@347565 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed