Many app homepages have gotten incredibly busy, filled with suggestions and ads, many based on your previous searches or stuff you’ve read / written / watched in the past. YouTube is certainly no exception — in fact, it’s one of the worst offenders — but recently, Google’s video service announced that users now have a choice. If you turn your watch history off and “have no significant prior watch history,” all that confusion will disappear, and your homepage will only show the…