docs: def unset_iscsi_info(self):
          """Disable iSCSI boot option in UEFI boot mode.
  
          :raises: IloError, on an error from iLO.
          :raises: IloCommandNotSupportedInBiosError, if the system is
                   in the BIOS boot mode.
          """
          if(self._is_boot_mode_uefi() is True):
              iscsi_info = {'iSCSIBootEnable': 'Disabled'}
              self._change_iscsi_settings(iscsi_info)
          else:
              msg = 'iSCSI boot is not supported in the BIOS boot mode'
              raise exception.IloCommandNotSupportedInBiosError(msg)