A federal judge tossed a discrimination suit filed by a southwest-suburban firefighter who alleged sexual harassment by supervisors.Judge Harry D. Leinenweber ruled March 9 to dismiss with prejudice Justin Bakker’s complaint, which alleged his superiors at Mokena Fire Protection District “made comments to him that constituted continuous acts of sexual harassment and discrimination” and “targeted him by calling his sexual orientation into question.”Bakker, who is straight, alleged three …