examples: remove reference to app.router in static-files

closes #1974

examples/static-files/index.js

@@ -29,14 +29,6 @@ app.use('/static', express.static(__dirname + '/public'));
 // this will allow "GET /style.css" instead of "GET /css/style.css":
 app.use(express.static(__dirname + '/public/css'));
 
-// this examples does not have any routes, however
-// you may `app.use(app.router)` before or after these
-// static() middleware. If placed before them your routes
-// will be matched BEFORE file serving takes place. If placed
-// after as shown here then file serving is performed BEFORE
-// any routes are hit:
-app.use(app.router);
-
 app.listen(3000);
 console.log('listening on port 3000');
 console.log('try:');