fixup! changelog: Add details for cache speedup and performance impro…

…vements

CHANGELOG.md

@@ -4,21 +4,6 @@ Canonical reference for changes, improvements, and bugfixes for Boundary.
 
 ## Next
 
-### New and Improved
-
-* Improve performance of grants query by reducing the number of rows that need
-  to be returned. ([PR](https://github.com/hashicorp/boundary/pull/5128))
-* Add several indexes to database tables to improve performance of cascading
-  deletes/updates to session tables.
-  ([PR](https://github.com/hashicorp/boundary/pull/5128))
-* Reorder indexes on several join tables to improve performance of grants query.
-  ([PR](https://github.com/hashicorp/boundary/pull/5128))
-* Make client cache sqlite database persistent between restarts of the client
-  cache daemon. ([PR](https://github.com/hashicorp/boundary/pull/5128))
-* Improve client cache performance by adding indexes, limiting results,
-  and insuring only one refresh is running at a time for a given user and
-  resource. ([PR](https://github.com/hashicorp/boundary/pull/5128))
-
 ### Deprecations/Changes
 
 * Remove deprecated `controllers` field from the worker config, which was deprecated in 0.9.0 for