'Deletes a node image from a provider.
:param node_image: Node image object.
:type node_image: :class:`.NodeImage`
:return: ``True`` if delete_image was successful, ``False`` otherwise.
:rtype: ``bool``'

def delete_image(self, node_image):

    raise NotImplementedError('delete_image    not    implemented    for    this    driver')
