Remove duplicates in release notes (#25024)

Author: kean

RELEASE-NOTES.txt

@@ -18,9 +18,6 @@
 * [*] Fix search for RSS feeds in Reader [#25023]
 * [*] Add "Taxonomies" to Site Settings [#24955]
 * [*] Update "Categories" picker to indicate multiple selection [#24952]
-* [*] Fix overly long related post titles in Reader [#25011]
-* [*] Increase number of lines for post tiles in Reader to three [#25019]
-* [*] Fix horizontal insets in Reader article view [#25010]
 * [*] Fix a bug where the app can't access some Jetpack connected sites [#24976]
 * [*] Add support for editing custom taxonomy terms from "Post Settings" [#24964]
 * [*] Fix overly long related post titles in Reader [#25011]