doc: remove 'dudes' from documentation

per: https://github.com/joyent/node/pull/25572#discussion_r33197896

Reviewed By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/2378

doc/api/child_process.markdown

@@ -315,7 +315,7 @@ process.
         special.send('socket', socket);
         return;
       }
-      // just the usual dudes
+      // just the usual...
       normal.send('socket', socket);
     });
     server.listen(1337);