feat: remove old `rotate` function from Policy #1649

Job	Run time
cargo-lint / cargo-doc / doc	32s
cargo-lint / cargo-dry-publish / publish	21s
cargo-lint / cargo-semver / Check semver	35s
cargo-lint / cargo-nursery-base / cargo-audit / Audit	6m 42s
cargo-lint / cargo-nursery-base / cargo-udeps / Check udeps	46s
cargo-lint / cargo-nursery-base / cargo-lint / lint	2m 32s
cleanup	0s
cargo-publish	0s
	11m 28s

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