[COMMON/elasticsearch] Avoid 'Warning: Merging destination map for chart'

restructure values for docker image name:tag

Issue-ID: OOM-2533
Signed-off-by: Alexander Dehn <alexander.dehn@highstreet-technologies.com>
Change-Id: I7c02fe543b4f96871c3ade80c7b51c68627cb269
diff --git a/kubernetes/common/elasticsearch/components/curator/values.yaml b/kubernetes/common/elasticsearch/components/curator/values.yaml
index 5e0d966..addd528 100644
--- a/kubernetes/common/elasticsearch/components/curator/values.yaml
+++ b/kubernetes/common/elasticsearch/components/curator/values.yaml
@@ -31,16 +31,14 @@
 ##
 enabled: false
 name: curator
-image:
-  imageName: bitnami/elasticsearch-curator
-  tag: 5.8.1-debian-9-r74
-  pullPolicy: IfNotPresent
-  ## Optionally specify an array of imagePullSecrets.
-  ## Secrets must be manually created in the namespace.
-  ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
-  ##
-  # pullSecrets:
-  #   - myRegistryKeySecretName
+image: bitnami/elasticsearch-curator:5.8.1-debian-9-r74
+pullPolicy: IfNotPresent
+## Optionally specify an array of imagePullSecrets.
+## Secrets must be manually created in the namespace.
+## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
+##
+# pullSecrets:
+#   - myRegistryKeySecretName
 service:
   port: 9200
 cronjob: