SPRINGFIELD — The state’s highest court has struck down a southern Illinois city’s policy that partly evaluates police officers on the number of citations officers issue, finding it violates an Illinois law prohibiting ticket quotas.On Thursday, the Illinois Supreme Court ruled unanimously in favor of the labor union that represents police officers in the Randolph County city of Sparta.The Policemen’s Benevolent Labor Committee sued Sparta over the city’s activity points policy used for …