remove link to removed stylesheet utility.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@4462 f5dc347c-c33d-0410-90a0-b07cc1902cb9

admin/index.php

@@ -21,7 +21,6 @@
 	<p>Note: be sure to secure this area or remove it from your Mantis installation when you are done.  Leaving the administration area unprotected after installation leaves system information and database update capabilities open to any unauthorized person.</p>
 	<p>[ <a href="check.php">Check your installation</a> ]</p>
 	<p>[ <a href="upgrade_warning.php">Upgrade your installation</a> ]</p>
-	<p>[ <a href="css/index.php">Modify stylesheets</a> ]</p>
 	<p>[ <a href="system_utils.php">System Utilities</a> ]</p>
 	</td></tr></table>
 </div>