Update server.js

Author: jfbrennan

examples/basic/server.js

@@ -5,7 +5,7 @@ var express = require('express'),
 
 var app = express();
 
-app.engine('handlebars', exphbs({defaultLayout: 'main'}));
+app.engine('handlebars', exphbs());
 app.set('view engine', 'handlebars');
 
 app.get('/', function (req, res) {