Revert "cmd/{k8s-nameserver,k8s-operator},k8s-operator: add a kube nameserver, make operator deploy it (#11017)" (#11669)

Temporarily reverting this PR to avoid releasing
half finished featue.

This reverts commit 9e2f58f846.

Signed-off-by: Irbe Krumina <irbe@tailscale.com>

cmd/k8s-operator/deploy/chart/templates/operator-rbac.yaml

@@ -24,9 +24,6 @@ rules:
 - apiGroups: ["tailscale.com"]
   resources: ["connectors", "connectors/status", "proxyclasses", "proxyclasses/status"]
   verbs: ["get", "list", "watch", "update"]
-- apiGroups: ["tailscale.com"]
-  resources: ["dnsconfigs", "dnsconfigs/status"]
-  verbs: ["get", "list", "watch", "update"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
@@ -48,10 +45,10 @@ metadata:
   namespace: {{ .Release.Namespace }}
 rules:
 - apiGroups: [""]
-  resources: ["secrets", "serviceaccounts", "configmaps"]
+  resources: ["secrets"]
   verbs: ["*"]
 - apiGroups: ["apps"]
-  resources: ["statefulsets", "deployments"]
+  resources: ["statefulsets"]
   verbs: ["*"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1