Remove all deprecation notices

mysql_schema.sql

@@ -13,7 +13,7 @@ CREATE TABLE `files` (
   `filename` varchar(30) default NULL,
   `size` int(10) unsigned default NULL,
   `date` date default NULL,
-  `expire` date default NULL, -- Deprecated since version 2.1.0
+  `expire` date default NULL,
   `delid` char(40) default NULL,
   `user` int(10) unsigned default '0',
   `dir` int(2) default '0',

templates/index.swig

@@ -6,6 +6,6 @@
 	<p class="lead">Max upload size is {{max_upload_size}}&nbsp;MiB, read the <a href="faq.html"><abbr title="Frequently asked questions">FAQ</abbr></a></p>
 	{% include "upload_form.swig" %}
 </div>
-{% include "banners.swig" %} {# Deprecated since version 2.1.0. #}
+{% include "banners.swig" %}
 {% include "nav.swig" %}
 {% endblock %}