Nearly three years after it arrived in theaters, we are still talking about Rian Johnson’s lone installment in the world of “Star Wars” lore, ‘The Last Jedi.’ But, in a fun twist, we’re not here to talk about how the internet is exploding with hatred and vitriol against Johnson. Instead, we’re going to take a trip down “What if?” lane to see the filmmaker explain why he almost had Anakin Skywalker in the feature but ended up passing on the idea.