Remove unwanted RBAC rules from ceph-csi

There are currently unwanted RBAC permission
is given for ceph-csi, This PR reduces removes
such unwanted RBAC resources.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

charts/ceph-csi-cephfs/templates/nodeplugin-clusterrolebinding.yaml

@@ -1,20 +0,0 @@
-{{- if .Values.rbac.create -}}
-kind: ClusterRoleBinding
-apiVersion: rbac.authorization.k8s.io/v1
-metadata:
-  name: {{ include "ceph-csi-cephfs.nodeplugin.fullname" . }}
-  labels:
-    app: {{ include "ceph-csi-cephfs.name" . }}
-    chart: {{ include "ceph-csi-cephfs.chart" . }}
-    component: {{ .Values.nodeplugin.name }}
-    release: {{ .Release.Name }}
-    heritage: {{ .Release.Service }}
-subjects:
-  - kind: ServiceAccount
-    name: {{ include "ceph-csi-cephfs.serviceAccountName.nodeplugin" . }}
-    namespace: {{ .Release.Namespace }}
-roleRef:
-  kind: ClusterRole
-  name: {{ include "ceph-csi-cephfs.nodeplugin.fullname" . }}
-  apiGroup: rbac.authorization.k8s.io
-{{- end -}}