update changelog

CHANGELOG.md

@@ -27,9 +27,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [Files] Changed the cache file storage location, now the file upload size is not limited by the system disk capacity.
 - [Scripts] Updated installation and upgrade scripts to support more Debian-based Linux distributions.
 - [Engineering] Refactored Local Storage into a standalone service as part of CasaOS modularization.
-### Removed
-
-### Security
 
 ### Fixed
 - [Apps] App list update mechanism improved, now you can see the latest apps in App Store immediately.