PT or not, the story is that Vader took a tumble into lava. I don’t see any reason to omit the eyebrow removal change just because it kinda references the PT.
How about because it just looks very silly? Like Duracell said, he looks like Humpty Dumpty.
I don’t really care on this issue either way.
Chewie’s Tarzan yell has to go though, right? I can’t imagine anybody defending that.