Fix eventDispatcher cleanup in ResourceManager

Change-Id: I37c82c7dab75def607268e36f2f98e04d41581d9

@@ -67,7 +67,7 @@ public final class ResourceManager extends AbstractListenerManager<ResourceEvent
     @Deactivate
     public void deactivate() {
         store.unsetDelegate(delegate);
-        eventDispatcher.addSink(ResourceEvent.class, listenerRegistry);
+        eventDispatcher.removeSink(ResourceEvent.class);
     }
 
     @Override