Remove PrometheusRule

Author: dmage

manifests/09-prometheus-rules.yaml

@@ -1,23 +1,10 @@
 apiVersion: monitoring.coreos.com/v1
 kind: PrometheusRule
 metadata:
-  labels:
-    name: image-registry-operator-alerts
   name: image-registry-operator-alerts
   namespace: openshift-image-registry
   annotations:
+    release.openshift.io/delete: "true"
     include.release.openshift.io/ibm-cloud-managed: "true"
     include.release.openshift.io/self-managed-high-availability: "true"
     include.release.openshift.io/single-node-developer: "true"
-spec:
-  groups:
-  - name: ImageRegistryOperator
-    rules:
-    - alert: ImageRegistryStorageReconfigured
-      expr: increase(image_registry_operator_storage_reconfigured_total[30m]) > 0
-      labels:
-        severity: warning
-      annotations:
-        message: |
-          Image Registry Storage configuration has changed in the last 30
-          minutes. This change may have caused data loss.