Drop unstable feature

Author: Mark-Simulacrum

RELEASES.md

@@ -81,7 +81,6 @@ Cargo
 - [Respect `rust-version` when generating lockfile ](https://github.com/rust-lang/cargo/pull/12861/)
 - [Control `--charset` via auto-detecting config value](https://github.com/rust-lang/cargo/pull/13337/)
 - [Support `target.<triple>.rustdocflags` officially](https://github.com/rust-lang/cargo/pull/13197/)
-- [Allow `--precise` to allow yanked versions in `cargo update`](https://github.com/rust-lang/cargo/pull/13333/)
 - [Stabilize global cache data tracking.](https://github.com/rust-lang/cargo/pull/13492/)
 
 <a id="1.78.0-Misc"></a>