'Delete an image for node.
@inherits: :class:`NodeDriver.delete_image`
:param      image: the image to be deleted
:type       image: :class:`NodeImage`
:rtype: ``bool``'

def delete_image(self, image):

    res = self.connection.request(('/v2/images/%s' % image.id), method='DELETE')
    return (res.status == httplib.NO_CONTENT)
