Federal banking regulators this week downplayed statements by Office of Thrift Supervision Director John Reich that appeared to endorse imposing portfolio limits on nontraditional mortgages, saying nothing definite has been decided on a proposed interagency guidance on nontraditional mortgage products. The Office of the Comptroller of the Currency, the Federal Reserve Board and the Federal Deposit Insurance Corp. declined to comment on Reich’s prepared remarks before the Exchequer Club Feb. 16 in Washington, D.C.…