simplify server startup, as was on the original example

Author: vinybk

examples/search/index.js

@@ -29,7 +29,7 @@ app.use(express.static(path.join(__dirname, 'public')));
 async function initializeRedis() {
   try {
     // connect to Redis
-    
+
     await db.connect();
 
     // populate search
@@ -77,8 +77,7 @@ app.get('/client.js', function(req, res){
 (async () => {
   await initializeRedis();
   if (!module.parent) {
-    app.listen(3000, () => {
-      console.log('Express started on port 3000');
-    });
+    app.listen(3000);
+    console.log('Express started on port 3000');
   }
 })();