A church organist who alleges he was fired for complaining about discrimination does not have a case against the Archdiocese of Chicago, a federal judge held.In a written opinion this week, U.S. District Judge Edmond E. Chang did not rule on the merits of Stanislaw Sterlinski’s contention that he lost his job at St. Stanislaus Bishop and Martyr Parish in retaliation for his accusations of age and national origin discrimination.Instead, Chang held the so-called “ministerial exception” shields the …