Remove CST-based fixers for `C400`, `C401`, `C410`, and `C418` #24465

Job	Run time
Determine changes	7s
python package	1m 9s
pre-commit	34s
cargo fmt	16s
mkdocs	2m 13s
cargo clippy	1m 47s
cargo test (wasm)	1m 14s
cargo test (linux)	4m 22s
cargo test (windows)	5m 37s
benchmarks	6m 6s
cargo fuzz	5m 22s
cargo udeps	1m 47s
formatter instabilities and black similarity	0s
test scripts	46s
ecosystem	8m 13s
test ruff-lsp	15s
	39m 48s

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