Revert "Implement a new clang-tidy check that suggests users replace dynamic exception specifications with noexcept exception specifications."

This reverts commit r293217, its follow-up 293218 and part of 293234 because it
broke all bots that build clang-tools-extra.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@293267 91177308-0d34-0410-b5e6-96231b3b80d8
10 files changed