Delete an image

        :param image_id: Image ID

def delete_image(self, image_id):
        """Delete an image

        :param image_id: Image ID
        """
        url = self.api_url + '/api/images/' + image_id
        response = self._request_url(url, 'delete', with_access_token=True)
        headers, result = self._parse_and_check(response)
        return Image.from_dict(result)