Removed the dead screen of the administration as not used for the moment.

The first tab of the administration was not used, so I removed it to
remove the clutter, it will be reactivated when it will be possible to
perform forge configuration from there.

src/IDF/templates/idf/gadmin/base.html

@@ -40,7 +40,6 @@
     </p>
 <div id="header">
 <div id="main-tabs">
-  <a accesskey="1" href="{url 'IDF_Views_Admin::home'}"{block tabhome}{/block}>{trans 'Administer'}</a> 
   <a href="{url 'IDF_Views_Admin::projects'}"{block tabprojects}{/block}>{trans 'Projects'}</a>
   <a href="{url 'IDF_Views_Admin::users'}"{block tabusers}{/block}>{trans 'People'}</a>
 </div>