[clang] Thread Safety Analysis: Drop call-based alias invalidation (PR #187691)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman commented:

I'd like a final sign-off from @aaronpuchert but this seems reasonable to me. However, the changes should come with a release note so users know about them, and are there any docs we need to update as well?

https://github.com/llvm/llvm-project/pull/187691