Move `check-cfg` lints to `rustc_attr_parsing`#149215

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JonathanBrouwer wants to merge 3 commits intorust-lang:mainfrom

JonathanBrouwer:cfg_lints2

Commits on Nov 22, 2025

Move `check_cfg` to `rustc_attr_parsing`
JonathanBrouwer
committed
Move lints for check-cfg to attribute parsing
JonathanBrouwer
committed
Remove `attr_parsing_unexpected_cfg_cargo_update` because it is sadly no longer triggered
JonathanBrouwer
committed