#443318: Inadverently left an "op" that was hiding which button was selected in the modal.

js/modal.js

@@ -179,8 +179,7 @@ Drupal.behaviors.CToolsModal = function(context) {
     // Bind submit links in the modal form.
     $('form:not(.ctools-use-modal-processed)', context)
       .addClass('ctools-use-modal-processed')
-      .submit(Drupal.CTools.Modal.submitAjaxForm)
-      .append('<input type="hidden" name="op" value="">');
+      .submit(Drupal.CTools.Modal.submitAjaxForm);
     // add click handlers so that we can tell which button was clicked,
     // because the AJAX submit does not set the values properly.