Delete a URL.

        Args:

            url(string): URL for the request

            callback(func): The response callback function

        Keyword Args:

            json(dict): JSON body for the request

        Returns:

            The result of the callback handling the resopnse from the
                executed request

def delete(self, url, callback, json=None):
        """Delete a URL.

        Args:

            url(string): URL for the request

            callback(func): The response callback function

        Keyword Args:

            json(dict): JSON body for the request

        Returns:

            The result of the callback handling the resopnse from the
                executed request

        """
        return self.adapter.delete(url, callback, json=json)