A federal judge’s remarks about the gun violence plaguing Chicago did not taint the sentence he imposed on a man convicted of illegally possessing a firearm, a federal appeals court ruled.The 7th U.S. Circuit Court of Appeals last week affirmed the 70-month sentence Yarmell Austin was ordered to serve after a jury found him guilty of being a felon in possession of a firearm.In a nonprecedential order, a panel of the court rejected the argument that U.S. District Judge John Z. Lee erred by relying in part on the …