[llvm-branch-commits] [NFC][AST] Clean up XRayFilter and NoSanitizeL before backend (PR #162119)

[Vitaly Buka via llvm-branch-commits]

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/162119

I don't thin we need them after AST is destroyed.
If I am wrong we should see crashes immediately, as pointers dereferenced unchecked.