helm: remove duplicate YAML map entries

The removed map entries are already provided by the include.

Signed-off-by: Daniel Höxtermann <daniel@hxtm.dev>
(cherry picked from commit b1c58eb175)

deploy/charts/rook-ceph/templates/deployment.yaml

@@ -5,8 +5,6 @@ metadata:
   name: rook-ceph-operator
   namespace: {{ .Release.Namespace }} # namespace:operator
   labels:
-    operator: rook
-    storage-backend: ceph
     {{- include "library.rook-ceph.labels" . | nindent 4 }}
 spec:
   replicas: {{ .Values.scaleDownOperator | ternary 0 1 }}