'Deletes an image at Amazon given a NodeImage object
@inherits: :class:`NodeDriver.delete_image`
:param image: Instance of ``NodeImage``
:type image: :class: `NodeImage`
:rtype:     ``bool``'

def delete_image(self, image):

    params = {'Action': 'DeregisterImage', 'ImageId': image.id}
    response = self.connection.request(self.path, params=params).object
    return self._get_boolean(response)
