Revert "[clang-tidy] New check to warn when storing dispatch_once_t in non-static, non-global storage"

This reverts commit r373028, because the new test fails on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@373032 91177308-0d34-0410-b5e6-96231b3b80d8
13 files changed