'Deletes a logical volume.'

@utils.trace_method
def delete_volume(self, volume):

    self._delete_backing_file_for_volume(volume)
    try:
        qos_policy_group_info = na_utils.get_valid_qos_policy_group_info(volume)
        self.zapi_client.mark_qos_policy_group_for_deletion(qos_policy_group_info)
    except Exception:
        pass
