Revert r350647: "[NewPM] Port tsan"

This patch breaks thread sanitizer on some macOS builders, e.g.
http://green.lab.llvm.org/green/job/clang-stage1-configure-RA/52725/


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350719 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed