Don't re-fetch categoryNotifications, when notifications change.

(Caused notifications to be re-fetched when item was deleted in
category, which made items flash.
And re-fetched data wouldn't include the change anyway, until a min or
so, so didn't why it would be needed.)

ui/page/notifications/view.jsx

@@ -105,7 +105,7 @@ export default function NotificationsPage(props: Props) {
         }
       }
     }
-  }, [name, notifications, stringifiedNotificationCategories, doNotificationList]);
+  }, [name, stringifiedNotificationCategories, doNotificationList]);
 
   React.useEffect(() => {
     if (!notificationCategories) {