I agree, but with The Last Jedi having so many wonderfully humorous moments (more belly laughs in that one than any previous Star Wars) and Adywan being a fan, I am hoping his opinion on keeping / or cutting comedy will lean towards the keeping.
I understand that the Chewie Tarzan roar is incongruous and ought to go, and I also agree that the Gonk Droid being tortured is a bit silly and could be cut. However, the throne room duel and the space battle are serious - the Ewok battle down on Endor provides the levity for that stretch of the film. I hope ‘Bolas Ewok’ and some of his other pals make the cut. They’re cute, and they’re funny. Embrace them for what they are, and let Ewoks be Ewoks!