ImageN.F.L. Commissioner Roger Goodell, during a news conference for Super Bowl LIII, said referees erred near the end of the N.F.C. championship game between the New Orleans Saints and Los Angeles Rams.CreditCreditDavid J. Phillip/Associated PressATLANTA — Ten days after a controversial noncall marred the ending of the N.F.C. championship game, N.F.L. Commissioner Roger Goodell finally…