Props to the mods over there!
Not gonna link the names, but for real, these guys belong in some kind of hall of fame. Stay strong, fuck /u/spez.
edit for future people: It looks like the android subreddit made a whole server! It can be found here: https://lemdro.id/
You can use PowerDeleteSuite it is very straight forward. You just need the browser to run it. The tutorial is in its GitHub.
You may need to run multiple times if you have a lot of comments.
PS: They will probably ignore anything you legally say and restore your contents anyway. 😅
Cheers man! GDPR it is