chore(): remove duplicate changelog item (#19512)

CHANGELOG.md

@@ -11,7 +11,6 @@
 * **components:** improve CSS Variable support in IE11 ([#19473](https://github.com/ionic-team/ionic/issues/19473)) ([44ad074](https://github.com/ionic-team/ionic/commit/44ad074))
 * **content:** remove pointer-events from iOS transition shadow ([#19471](https://github.com/ionic-team/ionic/issues/19471)) ([8a52c7d](https://github.com/ionic-team/ionic/commit/8a52c7d)), closes [#19466](https://github.com/ionic-team/ionic/issues/19466)
 * **menu:** menus show proper drop shadows ([#19454](https://github.com/ionic-team/ionic/issues/19454)) ([eab0865](https://github.com/ionic-team/ionic/commit/eab0865)), closes [#19387](https://github.com/ionic-team/ionic/issues/19387)
-* **platform:** properly detect iPads running iPadOS ([#19258](https://github.com/ionic-team/ionic/issues/19258)) ([4a90096](https://github.com/ionic-team/ionic/commit/4a90096))
 * **radio-group:** get radios before caching value to avoid infinite loop ([#19448](https://github.com/ionic-team/ionic/issues/19448)) ([cf223e4](https://github.com/ionic-team/ionic/commit/cf223e4)), closes [#19277](https://github.com/ionic-team/ionic/issues/19277)
 * **react:** update events to use proper types ([c79e74b](https://github.com/ionic-team/ionic/commit/c79e74b))
 * **router-outlet:** hide leaving view after transition finishes ([#19335](https://github.com/ionic-team/ionic/issues/19335)) ([bfa17d1](https://github.com/ionic-team/ionic/commit/bfa17d1))