Drop twitter search from homepage. Fixes #1165

doc/index.rst

@@ -37,13 +37,6 @@ If you like gevent, :doc:`donate <sfc>` to support the development.
 What are others saying?
 =======================
 
-Twitter @gevent
----------------
-
-.. raw:: html
-
-   <a class="twitter-timeline" data-dnt="true" href="https://twitter.com/search?q=%40gevent%20include%3Aretweets" data-widget-id="621692925999644672">Tweets about gevent</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>
-
 
 Mailing List
 ------------