Fluentd: Update ClusterRole object

This updates the ClusterRole object for fluentd by removing a
duplicate rules: key and also adds 'get' to the list of verbs for
the "" apiGroups (as it's required for the kubernetes metadata
plugin)

Change-Id: Ia901d9fe9a0784038f0f882297c64afcce58ca7e

fluent-logging/templates/deployment-fluentd.yaml

@@ -40,7 +40,6 @@ kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: {{ $serviceAccountName }}
-rules:
 rules:
   - apiGroups:
       - ""
@@ -52,6 +51,7 @@ rules:
       - replicationcontrollers
       - limitranges
     verbs:
+      - get
       - list
       - watch
   - apiGroups: