VILLANOVA, Pa. — The frame reserved for Geno Auriemma’s photo is empty — it rests atop two display cases of autographed UConn basketballs to the right of a collection of Joel Embiid memorabilia — inside a suburban Philadelphia sandwich shop. “It says, ‘Coming soon, Geno Auriemma.’” The reason for the blank space: Auriemma has yet to visit the store — …