Update CHANGELOG.md

Signed-off-by: yujin-emma <yujin.emma.work@gmail.com>

CHANGELOG.md

@@ -70,7 +70,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - [Multiple Datasource] Do not support import data source object to Local cluster when not enable data source ([#6395](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6395))
 - [Multiple Datasource] Refactor data source menu and interface to allow cleaner selection of component and related configurations ([#6256](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6256))
 - [Multiple Datasource] Allow top nav menu to mount data source menu for use case when both menus are mounted ([#6268](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6268))
-- [Multiple Datasource] Adjust the padding size for aggregated view ([#6715](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6715))
 - [Workspace] Add create workspace page ([#6179](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6179))
 - [Workspace] Add update workspace page ([#6270](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6270))
 - [Multiple Datasource] Make sure customer always have a default datasource ([#6237](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6237))