Function DeleteGRFPresetFromConfig

src/settings.cpp:1595–1603

* Delete a NewGRF configuration by preset name. * @param config_name Name of the preset. */

 * @param config_name Name of the preset.
 */
void DeleteGRFPresetFromConfig(std::string_view config_name)
{
	std::string section("preset-");
	section += config_name;

	ConfigIniFile ini(_config_file);
	ini.RemoveGroup(section);
	ini.SaveToDisk(_config_file);
}

/**
 * Handle changing a value. This performs validation of the input value and