removing duplicate @csrf nonce.

Author: rouilj

share/roundup/templates/jinja2/html/user.forgotten.html

@@ -18,8 +18,6 @@
     <div class='row-fluid'>
       <label>{{ i18n.gettext('Email Address')|u }}:</label>
       <input type='text' name="address">
-      <input name="@csrf" type="hidden"
-             value="{{ utils.anti_csrf_nonce() }}">
       <input name="@csrf" type="hidden"
              value="{{ utils.anti_csrf_nonce() }}">
       <input type="hidden" name="@action" value="passrst">