“Midway” is so square, so old-school and old-fashioned, it almost feels avant-garde. Ambiguity is not its goal, nor is nihilism its motivating philosophy. It aims to celebrate heroism, sacrifice, determination and grit, and if you don’t like that it really does not care. Though it’s appearing some 70 years after the epochal World War II battle it re-creates — and more than 40 years after a Hollywood film with the same name on the same subject — this “Midway,” as directed by Roland Emmerich and written by Wes Tooke, pays no attention to the notion that times have changed...