Not needed to save the state of the tabs as theere are no tabs on the

As stated in the tracker item http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=31372 in the comment from  Jean-Marie Simonet
*Note: for now it is useless on frontend, but it may one day if we introduce Save (Apply) and correct checkin.*

This PR removes the unnecessary call.