message: Remove managedconnectors on cluster delete
  Closes
diff: @@ -233,6 +233,7 @@ impl ClusterUninstaller {
  let _ = self.remove_custom_objects("statefulset", ns, None, false);
  let _ = self.remove_custom_objects("persistentvolumeclaims", ns, Some("app=spu"), false);
  let _ = self.remove_custom_objects("tables", ns, None, false);
  + let _ = self.remove_custom_objects("managedconnectors", ns, None, false);
  let _ = self.remove_custom_objects("smartstreams", ns, None, false);
  let _ = self.remove_custom_objects("smartmodules", ns, None, false);
  