Herschel Walker had a unique message for Republican voters two days before Election Day: don’t vote for your nominee. Walker, a former National Football League star running back, delivered at a Georgia campaign rally Sunday what was almost an endorsement of former President Donald Trump — but not quite. “It stops on Tuesday,” Walker said, “when we vote for my friend and your friend Donald Trump Jr.” Want more breaking political news? Click for the latest headlines at Raw Story. Walker immediately corrected himself to support the actual Republican presidential nominee, and not his son, but as t…