EDIT

/**

 * update for RELEASE 5.17:

 *  - enable new default TaxonRelationshipTypes: UUID_PROPARTE_MISAPPLIEDNAME_FOR,

 *    UUID_PARTIAL_MISAPPLIEDNAME_FOR, UUID_PROPARTE_SYNONYM_FOR, UUID_PARTIAL_SYNONYM_FOR.

 */

function cdm_dataportal_update_7600()

{

  $tasks_performed = array();

  variable_del('cdm_dataportal_all_footnotes');

  $tasks_performed[] = "obsolete variable 'cdm_dataportal_all_footnotes' deleted";

  variable_del('cdm_dataportal_annotations_footnotes');

  $tasks_performed[] = "obsolete variable 'cdm_dataportal_annotations_footnotes' deleted";

  return join(', ', $tasks_performed);

};