Okay, my mistake. I guess I just misinterpreted Hal’s comments. I do think that after Rey senses Chewie is way too late to incorporate that scene though. Maybe you could just cut Chewie meeting Hux completely.
It would actually be pretty easy to remove the medallion thing. You would just need to cut the dialogue where the characters talk about it. The whole thing is actually not that plot relevant, since they immediately get spotted anyway.