Contrary to totally-legit marketing stories about priests stationed at screenings, ready to deliver spiritual counsel to distressed moviegoers, The Conjuring 2 is not all that frightening. It is, however, probably the most entertaining big-studio horror movie of the past five years. Not because of the scares, but because of how relaxed it is around those scares. With two Insidious‘ and the first Conjuring under his belt, James Wan is confident enough not to just serve up the jump-scare hard sell that has become the default mode for multiplex horror. The film begins with a nice bait-and-switch: Ed and Lorraine Warren (Patrick Wilson and Vera Farmiga reprising their…