Rust

Remove dead code #4539

Job	Run time
check-git-rev-deps	14s
cargo-deny (advisories)	37s
build-fuzz	1m 13s
cargo-deny (bans licenses sources)	38s
build-and-test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	42s
docs	42s
build-and-test (msrv, ubuntu-latest, aarch64-unknown-linux-gnu, true)	47s
build-and-test (msrv, windows-latest, x86_64-pc-windows-msvc)	4m 15s
migration-docs	2m 31s
build-and-test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	2m 19s
publish-dry-run	0s
build-and-test (latest, ubuntu-latest, aarch64-unknown-linux-gnu, true)	1m 41s
readme	3m 23s
build-and-test (latest, windows-latest, x86_64-pc-windows-msvc)	10m 3s
fmt	17s
semver-checks	6m 10s
complete	1s
	35m 33s

Provide feedback