Update timber-helper.php

Linking to 
http://search.twitter.com/search?q=winners
gets you
The Twitter REST API v1 is no longer active. Please migrate to API v1.1. https://dev.twitter.com/docs/api/1.1/overview.

it's just a link, we don't need no api?
Merge pull request #352 from asecondwill/patch-3

Update timber-helper.php