The University of Illinois dismissed its copyright infringement lawsuit this week against an alumnus who sold T-shirts bearing the slogan “Make Illinois Great Again” alongside the image of the school mascot, an Indian chief in a warbonnet.Under a settlement reached between the two parties this month, the university will pay $7,500 to Theodore John O’Malley, who has agreed to stop selling any clothing with the slogan or the university’s logos.The university first tried to block O’Malley’s …