doc: "util" is not needed to extend ES6 classes

Adam Brunner · MylesBorins · commit 1c9817cbeb45 · 2016-12-20T14:24:24.000-05:00
PR-URL: #9737 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Italo A. Casas <me@italoacasas.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
diff --git a/doc/api/util.md b/doc/api/util.md
@@ -180,7 +180,6 @@ stream.write('It works!'); // Received data: "It works!"
 ES6 example using `class` and `extends`
 
 ```js
-const util = require('util');
 const EventEmitter = require('events');
 
 class MyStream extends EventEmitter {
