The city of Chicago is still on the hook for a multimillion-dollar award made to a man who alleges police fabricated evidence and withheld critical facts in his murder trial.In a written opinion Monday, U.S. District Judge Matthew F. Kennelly effectively upheld a $22 million judgment in favor of former death-row inmate Nathson Fields.Kennelly declined to order a new trial in Fields’ civil rights lawsuit or enter judgment as a matter of law in favor of the city and two of its police officers.Kennelly rejected the …