Resolve "Upgrade elasticsearch-kibana package to 7.10.X versions"

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/cc @someoneelse

Closes #224 (closed)

chart/templates/logging/elasticsearch-kibana/values.yaml

@@ -39,12 +39,10 @@ sso:
 {{- end }}
 
 kibana:
-  version: 7.9.2
   imagePullSecrets:
     - name: private-registry
 
 elasticsearch:
-  version: 7.9.2
   imagePullSecrets:
     - name: private-registry
 {{- end -}}