Revert "tsan: new runtime (v3)"

Summary:
This reverts commit 1784fe0532a69ead17793bced060a9bf9d232027.

Broke some bots:
https://lab.llvm.org/buildbot#builders/57/builds/12365
http://green.lab.llvm.org/green/job/clang-stage1-RA/25658/

Reviewers: vitalybuka, melver

Subscribers:
GitOrigin-RevId: 5f18ae39880fa9e67fbfe9dcc2c3f18242626daf
42 files changed