Other film critics have been remarkably kind to “Bohemian Rhapsody,” the biopic about Freddie Mercury, frontman for Queen, for whom the word legendary would have had to be invented if it didn’t exist already. Why the Bryan Singer film hardly deserves praise: 1. It’s a by-the-book biopic, hitting all the predictable spots, erasing any point of contention or lingering on possible painful or controversial topics. God forbid