Revert "Added new feature for checking macro and preprocessor conditional consistency."

This reverts commit r187228. It broke some bots:
http://bb.pgr.jp/builders/cmake-clang-i686-mingw32

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@187235 91177308-0d34-0410-b5e6-96231b3b80d8