Revert "Remove non-standalone operatory-type for watcher-operator"

From now on, watcher-operator will be deployed by the openstack-operator
and not as an standalone one.

This reverts commit d0d5be5.

Author: amoralej

config/manifests/bases/watcher-operator.clusterserviceversion.yaml

@@ -12,6 +12,7 @@ metadata:
     features.operators.openshift.io/token-auth-azure: "false"
     features.operators.openshift.io/token-auth-gcp: "false"
     operatorframework.io/suggested-namespace: openstack-operators
+    operators.operatorframework.io/operator-type: non-standalone
   name: watcher-operator.v0.0.0
   namespace: placeholder
 spec: