

a) You made an awesome game, and you want to create more content for it because it’s popular! Good, I’ll pay for it if you want me to!
b) You made a game and you want to to bill me twice if I want to get the whole thing? Yeah I’m not stupid sorry. I’ll say hi to Amelie.
If you run that command now, it doesn’t do anything because the script it tries to download doesn’t exist anymore.
If you ran it when the script still existed, the only way to “uninstall” it is to know what the script did. And we can’t know without the file.