Move management of user themes (SM_PATH/css/) to conf.pl.

css/blue_gradient/config.php

@@ -1,12 +0,0 @@
-<?php
-
-/**
- * CSS Theme description
- *
- * @copyright &copy; 2004-2006 The SquirrelMail Project Team
- * @license http://opensource.org/licenses/gpl-license.php GNU Public License
- * @version $Id$
- * @package squirrelmail
- * @subpackage css_themes
- */
-$css_themes[] = array('NAME'=>_("Blue Gradient"),'PATH'=> SM_PATH.'css/blue_gradient/');