I figure it's for people that want to translate or crop. Redrawing after cleaning floating text is a pain and it's easier to get a good crop if you don't need to worry about the bubbles. There's good reason to provide a textless version and this is a better way to do it than having two different galleries every time clogging the feed
This right here is pure fantasy because Kim pretty much hated everything about Knives. I don't even recall a time in the comic where Kim and Knives interacted with each other beyond the first chapter.