Remove unused async

src/controller/api.ts

@@ -152,7 +152,7 @@ export class ApiController {
      * @param {e.Response} res
      * @param {e.NextFunction} next
      */
-    public static async queryKafka(req: InterfaceRequestKafka, res: Response, next: NextFunction) {
+    public static queryKafka(req: InterfaceRequestKafka, res: Response, next: NextFunction) {
         // prepared data from the middleware
         const message = req.message;
         const id = message.id;