Removes a network.

        :param action: Action configuration.
        :type action: dockermap.map.runner.ActionConfig
        :param n_name: Network name or id.
        :type n_name: unicode | str
        :param kwargs: Additional keyword arguments.
        :type kwargs: dict

def remove_network(self, action, n_name, **kwargs):
        """
        Removes a network.

        :param action: Action configuration.
        :type action: dockermap.map.runner.ActionConfig
        :param n_name: Network name or id.
        :type n_name: unicode | str
        :param kwargs: Additional keyword arguments.
        :type kwargs: dict
        """
        c_kwargs = self.get_network_remove_kwargs(action, n_name, **kwargs)
        res = action.client.remove_network(**c_kwargs)
        del self._policy.network_names[action.client_name][n_name]
        return res