Rust

Remove dead code #4541

Job	Run time
check-git-rev-deps	14s
build-fuzz	3m 37s
build-and-test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	46s
cargo-deny (advisories)	39s
build-and-test (msrv, ubuntu-latest, aarch64-unknown-linux-gnu, true)	49s
cargo-deny (bans licenses sources)	39s
docs	5m 18s
build-and-test (msrv, windows-latest, x86_64-pc-windows-msvc)	4m 17s
fmt	16s
build-and-test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	9m 1s
migration-docs	21s
build-and-test (latest, ubuntu-latest, aarch64-unknown-linux-gnu, true)	4m 47s
publish-dry-run	0s
build-and-test (latest, windows-latest, x86_64-pc-windows-msvc)	19m 3s
readme	2m 54s
semver-checks	6m 15s
complete	1s
	58m 57s

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