[clang] [analyzer] Finish moving alpha.core.SizeofPtr to clang-tidy (PR #95118)

[Balazs Benics via cfe-commits]

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

We should remember to mention this transfer explicitly in the release notes one day.
But given that we don't really maintain/sync the release notes that's for another day, closer to the release branchoff.

https://github.com/llvm/llvm-project/pull/95118