CHICAGO — Kansas is one win away from a spot in the Final Four. The Jayhawks, who entered Friday’s Sweet 16 contest against No. 4 seed Providence as the only No. 1 seed left in the men’s NCAA Tournament, squandered a 13-point second-half lead but still managed to upend the Friars, 66-61, in a Midwest Regional semifinal at the United Center. Remy Martin scored 23 points, his most in a game as a Jayhawk, and grabbed seven rebounds with three assists. Jalen Wilson scored 16 points with 11 boards for KU, which will play No. 11 seed Iowa State or 10th-seeded Miami in the Elite Eight on Sunday for a…