““Supastars” is Migos on cruise control. The third single from the group’s forthcoming Culture II has none of the charm, intrigue, or wit of its predecessors, coasting on high production value alone. The song progresses in the ways we’ve grown accustomed to Migos songs moving, and thereby hopes to get by on resemblance alone. This wasn’t supposed to happen. The Pharrell-produced “Stir Fry,” with it”