Fixed up changelog to only include titles for core.

Author: abhinavgandham

modules/ROOT/pages/changelog.adoc

@@ -13,18 +13,6 @@ NOTE: This is the {productname} Community version changelog. For information abo
 // #TINY-11498
 * Table resize bars was not properly aligned for inline editors inside scrollable containers.
 // #TINY-11215
-* Error messages were not rendered correctly
-// #TINY-11662
-* Resizing images by typing into the input didn’t update the style attribute correctly.
-// #TINY-11669
-* Images with existing srcset were not handled correctly.
-// #TINY-11653
-* The mentions dropdown remained visible even after the mention text was deleted in quick succession.
-// #TINY-11673
-* The mentions menu without items was not closed when pressing Space or Enter key.
-// #TINY-11454
-* Toggle sidebar shortcut remained active when the editor was disabled.
-// #TINY-11646
 
 == xref:7.6.0-release-notes.adoc[7.6.0 - 2024-12-11]