ci: simplify clippy #686

Job	Run time
Android (ubuntu-24.04, aarch64-linux-android)	8m 16s
Test (ubuntu-24.04)	8m 22s
Test (windows-2022)	14m 58s
Test (macOS-latest)	11m 35s
Difftest (macOS-latest)	12m 34s
Lint	5m 31s
Difftest (ubuntu-24.04)	9m 47s
Difftest (windows-2022)	16m 58s
Compiletest (windows-2022)	16m 43s
Compiletest (ubuntu-24.04)	8m 32s
Compiletest (macOS-latest)	12m 3s
cargo-deny	1m 9s
test_success	4s
	2h 6m 32s

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