Remove unused files reference

Author: yuxuanleong

Backend/MatchingService/app.js

@@ -1,7 +1,6 @@
 const express = require('express');
 const cors = require("cors");
 const dotenv = require("dotenv");
-const matchmakingRouter = require("./controllers/matchmaking");
 const { consumeQueue, consumeDLQ } = require('./rabbitmq/subscriber');
 const { setupRabbitMQ } = require('./rabbitmq/setup');
 
@@ -13,8 +12,6 @@ app.use(express.json());
 app.use(express.urlencoded({ extended: true }));
 app.options("*", cors());
 
-app.use('/api/match', matchmakingRouter);
-
 // TODO: Start consuming RabbitMQ queues 
 
 setupRabbitMQ().then(() => {