//You can remove them accordingly

//when users are invited and awaiting their respond
<?php } else if ($isInvited) { ?>
<?php echo JText::_('COM_EASYSOCIAL_EVENTS_RSVP'); ?>
<?php } ?>
<?php } else { ?>
<?php echo JText::_('COM_EASYSOCIAL_EVENTS_GUEST_GOING'); ?>
<?php } ?>

//Past events
<?php } else { ?>
<?php echo JText::_('COM_EASYSOCIAL_EVENTS_GUEST_GOING'); ?>
<?php } ?>