[llvm] [AsmParser] Remove TBAA auto-upgrade in IR parser (PR #226914)

[Antonio Frighetto via llvm-commits]

https://github.com/antoniofrighetto approved this pull request.

LGTM. Looks like we are only left with migrating single_loop_with_loop_invariant_baseptr.ll from polly.

https://github.com/llvm/llvm-project/pull/226914