INDIANAPOLIS — A Chicago man who was pardoned after spending more than seven years in prison for an armed robbery he didn’t commit has reached a $7.5 million settlement with a northern Indiana city and former police officers, his attorney and a city spokeswoman said Wednesday.Keith Cooper’s attorney, Elliot Slosar of Chicago-based firm Loevy & Loevy, said his lawsuit “exposed the systemic pattern of police and prosecutorial misconduct that exists in Elkhart, Indiana.”“Mr. Cooper …