Engine::uninstall

static function uninstall()
{
	$eventManager = EventManager::getInstance();

	$eventManager->unRegisterEventHandler("main", "OnEpilog", "main", "\".__CLASS__, "onEpilog");
	$eventManager->unRegisterEventHandler("main", "OnLocalRedirect", "main", "\".__CLASS__, "onEpilog");
	$eventManager->unRegisterEventHandler("main", "OnChangeFile", "main", "\".__CLASS__, "onChangeFile");

	$file = new File(Helper::getEnabledFilePath());
	$file->delete();
}