Poor Travis Kelce. When the Kansas City Chiefs tight end holds his second Kelce Jam on May 18, all he will have for company is about 20,000 of his closest friends. On Tuesday, Kelce announced that Lil Wayne, Diplo, and 2 Chainz will headline the event, according to the Daily Mail. But that comes when main squeeze and pop icon Taylor Swift will be in Sweden on the European leg of her Eras Tour as she performs in Stockholm. Kelce’s brother Jason will also be elsewhere because the party comes the same day as the Eagles Autism Challenge in Philadelphia, which Jason Kelce will continue to host this…