Step 6.9: Replace manual chat removal with method invokation in chats…

… controller

src/controllers/chats.controller.js

@@ -19,7 +19,7 @@ export default class ChatsCtrl extends Controller {
   }
 
   remove(chat) {
-    this.data.remove(chat._id);
+    this.callMethod('removeChat', chat._id);
   }
 }