e46b790b9d
CTFE engine: small cleanups I noticed these while preparing a large PR, and figured I'd better send them ahead to not muddy the diff unnecessarily. - remove remaining use of Pointer in Allocation API (I missed those in https://github.com/rust-lang/rust/pull/85472) - remove unnecessary deallocate_local hack (this logic does not seem necessary any more) r? `@oli-obk`
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