If we have learned anything from the Cooking Channel, it’s that talent isn’t defined by the ingredients you use but what you do with them. By that measure, director David F. Sandberg is an alchemist of the first order, taking the base — even leaden — components of horror and whipping them into a shivery chiffon of dread. The Swedish filmmaker did it with his debut feature, “Lights Out,” which milked a deceptively simple, yet sublimely spooky premise — the boogeyman only appears when the lights go out, and vanishes as soon they’re back on — for all it was worth.