Clear the state for consent and end the consent step

        :type context: satosa.context.Context
        :type internal_response: satosa.internal.InternalData
        :rtype: satosa.response.Response

        :param context: response context
        :param internal_response: the response
        :return: response

def _end_consent(self, context, internal_response):
        """
        Clear the state for consent and end the consent step

        :type context: satosa.context.Context
        :type internal_response: satosa.internal.InternalData
        :rtype: satosa.response.Response

        :param context: response context
        :param internal_response: the response
        :return: response
        """
        del context.state[STATE_KEY]
        return super().process(context, internal_response)