WriterPECOFF

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@195794 91177308-0d34-0410-b5e6-96231b3b80d8
Revert "WriterPECOFF"

This reverts accidental commit r195794.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@195795 91177308-0d34-0410-b5e6-96231b3b80d8