An extremely simple script that just iterates through every comment, determines if it contains the very basic Collectible Expression phrase, and if so, removes that part of the comment. I don't believe it will remove that text if it is in a code block or reply block or anything, which I guess is probably a good thing? You probably still want to see that text in any context other than as the original automated message.

I wrote this in like 5 minutes and tested it on one single post so like.. your mileage may definitely vary lol

Honestly surprised that Reddit hasn't just gone and disabled old.reddit by now - they already did it shamelessly with 3rd party apps. I give it until the end of 2024, hopefully they can prove me wrong!