The announcement that Arrow would be ending with its upcoming eighth season probably didn’t surprise that many fans. As much as the show has been exploring new types of storytelling and focusing on different characters this year, at the end of the day, it’s still the story of Oliver Queen. And that seems to be headed toward a natural – and likely bittersweet – endpoint with the “Crisis on Infinite Earths” crossover next year. (Plus, we have to assume that star Stephen Amell probably wants to do something besides climb salmon ladders for a living by now.) However, the news …