fix for mbox creation

Author: serghey-rodin

web/templates/admin/add_mail_acc.html

@@ -31,7 +31,6 @@
         ?>
         <form id="vstobjects" name="v_add_mail_acc" method="post">
             <input type="hidden" name="token" value="<?=$_SESSION['token']?>" />
-            <input type="hidden" name="ok" value="Add" />
             <script type="text/javascript">
                 function elementHideShow(elementToHideOrShow) {
                     var el = document.getElementById(elementToHideOrShow);