Sheldon Richardson tells Jets fans to “shut up” about Geno Smith

Sunday’s loss by the Jets to the Lions included plenty of hostilities directed to quarterback Geno Smith — and profanity from Smith to at least one member of the crowd. Teammate Sheldon Richardson offered a more-than-four-letter message to all fans who were booing Smith and/or chanting for Mike Vick. “Shut up,” Richardson said, via Dom…