CJ McCollum is using the boos as fuel. They mean he’s doing a lot right. Monday night, the veteran guard heard plenty of them as he shot the Hawks past the Knicks 107-106 at the Garden to even this best-of-seven opening-round series at one game apiece. “I am no villain. I’m a nice guy with two kids and a wife,” he said after pouring in 32 points, including the game-winning jumper with 33 seconds left. “I think it’s admiration. Great, passionate fans in a really hostile environment. It’s fun. It’