Revert r374663 "[clang-format] Proposal for clang-format to give compiler style warnings"

The test fails on macOS and looks a bit wrong, see comments on the review.

Also revert follow-up r374686.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@374688 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed