groups/modules/commons/commons_activity_streams/commons_activity_streams_groups/commons_activity_streams_groups.install

<?php

/**
 * Add empty text to Commons Activity Streams Groups views.
 */
function commons_activity_streams_groups_update_3101() {
  $revert = array(
    'commons_activity_streams_groups' => array('views_view'),
  );
  features_revert($revert);
  return array();
}