In a fight about payment for auto repairs, John Giblin sued J & J Transmissions Inc. in federal court after voluntarily dismissing his 2010 Kankakee County complaint. But a U.S. District Court judge granted J & J’s motion for summary judgment on Giblin’s federal claims and — declining to assert supplemental jurisdiction over his state law claims — terminated the federal litigation.Giblin tried again with a 2014 complaint in Kankakee County based on the state law claims. But J & J Inc …