Function NetworkGameListRemoveExpired

src/network/network_gamelist.cpp:68–74

* Remove all servers that have not recently been updated. * Call this after you received all the servers from the Game Coordinator, so * the ones that are no longer listed are removed. */

 * the ones that are no longer listed are removed.
 */
void NetworkGameListRemoveExpired()
{
	auto it = std::remove_if(std::begin(_network_game_list), std::end(_network_game_list), [](const auto &item) { return !item->manually && item->version < _network_game_list_version; });
	_network_game_list.erase(it, std::end(_network_game_list));

	UpdateNetworkGameWindow();
}

/**
 * Rebuild the GRFConfig's of the servers in the game list as we did