Revert "[clang] [ubsan] add __has_feature for UBSan checks"#148322

fmayer merged 1 commit intomainllvm/llvm-project:mainfrom

revert-148310-users/fmayer/spr/clang-ubsan-add-__has_feature-for-ubsan-checksllvm/llvm-project:revert-148310-users/fmayer/spr/clang-ubsan-add-__has_feature-for-ubsan-checksCopy head branch name to clipboard