Removing CHANGELOG entry

Signed-off-by: Danny Kopping <danny.kopping@grafana.com>

CHANGELOG.md

@@ -10,7 +10,6 @@ Here is the list with the changes that were produced since the previous release.
 * [5848](https://github.com/grafana/loki/pull/5848) **arcosx**: Add Baidu AI Cloud as a storage backend choice.
 * [6410](https://github.com/grafana/loki/pull/6410) **MichelHollands**: Add support for per tenant delete API access enabling.
 * [5879](https://github.com/grafana/loki/pull/5879) **MichelHollands**: Remove lines matching delete request expression when using "filter-and-delete" deletion mode.
-* [6317](https://github.com/grafana/loki/pull/6317/files) **dannykoping**: General: add cache usage statistics
 * [5984](https://github.com/grafana/loki/pull/5984) **dannykopping** and **salvacorts**: Querier: prevent unnecessary calls to ingesters.
 * [5971](https://github.com/grafana/loki/pull/5971) **kavirajk**: Record statistics about metadata queries such as labels and series queries in `metrics.go` as well
 * [6136](https://github.com/grafana/loki/pull/6136) **periklis**: Add support for alertmanager header authorization