Remove `TypeSuper{Foldable,Visitable}` impls for `Region`.#110345

Merged

bors merged 1 commit intorust-lang:masterfrom nnethercote:rm-Super-impls-for-Region

Apr 16, 2023

+51-66

Commits on Apr 15, 2023

Remove TypeSuper{Foldable,Visitable} impls for Region.
nnethercote
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