Revert "[Clang] Normalize constraints before checking for satisfaction" (#161669)
Reverts llvm/llvm-project#141776
CI failures
https://lab.llvm.org/buildbot/#/builders/202/builds/3591
https://lab.llvm.org/buildbot/#/builders/55/builds/18066
https://lab.llvm.org/buildbot/#/builders/85/builds/14103