'Delete the backing.
:param backing: Managed object reference to the backing'

def delete_backing(self, backing):

    LOG.debug('Deleting    the    VM    backing:    %s.', backing)
    task = self._session.invoke_api(self._session.vim, 'Destroy_Task', backing)
    LOG.debug('Initiated    deletion    of    VM    backing:    %s.', backing)
    self._session.wait_for_task(task)
    LOG.info('Deleted    the    VM    backing:    %s.', backing)
