crypto-common: remove legacy `Cargo.lock` #3980

Job	Run time
test-miri	44s
build (1.85.0, wasm32-unknown-unknown)	40s
test (stable)	25s
test-careful	1m 1s
build (stable, thumbv7em-none-eabi)	37s
test (nightly)	33s
build (stable, wasm32-unknown-unknown)	36s
build (1.85.0, thumbv7em-none-eabi)	48s
test (1.85.0)	33s
minimal-versions	0s
	5m 57s

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