moved changelog ref to top of file

operations/helm/charts/mimir-distributed/CHANGELOG.md

@@ -116,7 +116,6 @@ Entries should include a reference to the Pull Request that introduced the chang
 * [ENHANCEMENT] Alerts: exclude `529` and `598` status codes from failure codes in `MimirRequestsError`. #7889
 * [ENHANCEMENT] The new value `metaMonitoring.grafanaAgent.logs.clusterLabel` controls whether to add a `cluster` label and with what content to PodLogs logs. #7764
 * [ENHANCEMENT] The new values `global.extraVolumes` and `global.extraVolumeMounts` adds volumes and volumeMounts to all pods directly managed by mimir-distributed. #7922
-* [ENHANCEMENT] Add values for setting annotations and labels for rollout-operator. #6733
 * [ENHANCEMENT] Smoke-test: Parameterized `backoffLimit` for smoke tests in Helm chart to accommodate slower startup environments like k3d. #8025
 * [ENHANCEMENT] Add a volumeClaimTemplates section to the `chunks-cache`, `index-cache`, `metadata-cache`, and `results-cache` components. #8016
 * [ENHANCEMENT] Add 'gateway.nginx.config.clientMaxBodySize' to the `gateway` to allow setting the maximum allowed size of the client request body. #7960 #8497