When NBA star J.R. Smith takes the court for the Cleveland Cavaliers later this month in the season opener, it won’t be a “Supreme” court. That’s because the league threatened to fine Smith if he doesn’t cover up his freshly inked tattoo of the Supreme logo.Supreme is a streetwear, skate and fashion brand based in New York City. According to its website, the company which “opened its doors on Lafayette Street” surrounded by “a group of neighborhood kids, New York skaters and …