update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -18,9 +18,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Discard candidates with an empty data type ([#19172](https://github.com/tailwindlabs/tailwindcss/pull/19172))
 - Fix canonicalization of arbitrary variants with attribute selectors ([#19176](https://github.com/tailwindlabs/tailwindcss/pull/19176))
 - Fix invalid colors due to nested `&` ([#19184](https://github.com/tailwindlabs/tailwindcss/pull/19184))
-
-### Changed
-
 - Improve canonicalization for `& > :pseudo` and `& :pseudo` arbitrary variants ([#19178](https://github.com/tailwindlabs/tailwindcss/pull/19178))
 
 ## [4.1.15] - 2025-10-20