Remove unused export #3726

Job	Run time
build-fuzz	1m 24s
check-git-rev-deps	20s
build-and-test (ubuntu-latest, x86_64-unknown-linux-gnu)	8m 41s
cargo-deny (advisories)	2m 38s
docs	3m 3s
build-and-test (ubuntu-latest, aarch64-unknown-linux-gnu, true)	5m 1s
cargo-deny (bans licenses sources)	2m 23s
fmt	13s
build-and-test (macos-latest, x86_64-apple-darwin)	23m 49s
publish-dry-run	0s
build-and-test (macos-latest, aarch64-apple-darwin)	10m 17s
rust-analyzer-compat	2m 34s
readme	1m 2s
build-and-test (windows-latest, x86_64-pc-windows-msvc)	12m 59s
complete	1s
	1h 14m 25s

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