[llvm] [CodeGen][MachineCSE] Remove unused AA results(NFC) (PR #106604)

[Christudasan Devadasan via llvm-commits]

cdevadas wrote:

### Merge activity

* **Sep 4, 8:51 AM EDT**: @cdevadas started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/106604).


https://github.com/llvm/llvm-project/pull/106604