[llvm] [ValueTracking] Use SimplifyQuery in some public APIs (NFC) (PR #68290)

[Florian Hahn via llvm-commits]

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

LGTM, restructuring the APIs like this makes a lot of sense to me: more compact and easier to extend

https://github.com/llvm/llvm-project/pull/68290