Horde_Kolab_Storage_Driver::deleteAcl PHP Method

    public function deleteAcl($folder, $user);

 /**
  * Delete the access rights for user on a folder.
  *
  * @param string $folder  The folder to act upon.
  * @param string $user    The user to delete the ACL for
  *
  * @return NULL
  */
 public function deleteAcl($folder, $user)
 {
     $this->_driver->deleteAcl($folder, $user);
 }