Update CHANGELOG.md

Author: danney-chun

CHANGELOG.md

@@ -4,7 +4,6 @@
 ### **Improvements**
 - Deprecated `customTypeFilters` in `UnreadItemCountParams`
 - Added `customTypesFilter` in `UnreadItemCountParams`
-## v4.14.1 (Aug 14, 2024)
 
 ### **Feature**
 Support `pinned message` in `OpenChannel`