fix: 테스트용 enableCors() 제거

Author: djk01281

backend/src/main.ts

@@ -8,7 +8,6 @@ async function bootstrap() {
   const app = await NestFactory.create(AppModule);
   app.useWebSocketAdapter(new WsAdapter(app));
   app.useGlobalFilters(new HttpExceptionFilter());
-  app.enableCors();
 
   const config = new DocumentBuilder()
     .setTitle('OctoDocs')