[red-knot] Simplify some traits in `ast_ids.rs` #35746

Job	Run time
Determine changes	9s
mkdocs	2m 43s
cargo fmt	20s
pre-commit	40s
python package	1m 15s
benchmarks	4m 48s
cargo build (msrv)	3m 55s
cargo clippy	1m 54s
cargo build (release)	4m 47s
cargo fuzz	5m 3s
cargo shear	25s
cargo test (linux)	4m 7s
cargo test (wasm)	1m 28s
cargo test (windows)	9m 25s
test scripts	56s
formatter instabilities and black similarity	0s
test ruff-lsp	36s
ecosystem	8m 46s
Fuzz the parser	0s
	51m 17s

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