Resets the system settings back to default.  Uses DELETE to /settings/system interface.

def settings_system_reset(self):
        """
        Resets the system settings back to default.  Uses DELETE to /settings/system interface.
        """
        data = {
            "auth_password": self._password
        }

        response = self._delete(url.settings_system, body=data)
        self._check_response(response, 204)