remove the configmap related permissions (#9310)

ref: https://github.com/kubernetes/ingress-nginx/pull/8921
We have used the Lease API for selection

Signed-off-by: aimuz <mr.imuz@gmail.com>

Signed-off-by: aimuz <mr.imuz@gmail.com>

charts/ingress-nginx/templates/controller-role.yaml

@@ -58,26 +58,6 @@ rules:
       - get
       - list
       - watch
-  # TODO(Jintao Zhang)
-  # Once we release a new version of the controller,
-  # we will be able to remove the configmap related permissions
-  # We have used the Lease API for selection
-  # ref: https://github.com/kubernetes/ingress-nginx/pull/8921
-  - apiGroups:
-      - ""
-    resources:
-      - configmaps
-    resourceNames:
-      - {{ include "ingress-nginx.controller.electionID" . }}
-    verbs:
-      - get
-      - update
-  - apiGroups:
-      - ""
-    resources:
-      - configmaps
-    verbs:
-      - create
   - apiGroups:
       - coordination.k8s.io
     resources: