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>

k8s-operator/conditions_test.go

@@ -98,4 +98,5 @@ func TestSetConnectorCondition(t *testing.T) {
 			},
 		},
 	})
+
 }