Chris Christie won’t roll up the sleeves to take on Donald Trump as a third party candidate. The Washington Post reported the former New Jersey governor scratched his name off of the list of potentials that No Labels hopes to formalize ahead of the November 5 election to rival President Joe Biden and former President Donald Trump. “I appreciate the encouragement I’ve gotten to pursue a third-party candidacy,” Christie informed The Post on Wednesday. “While I believe this is a conversation that needs to be had with the American people, I also believe that if there is not a pathway to win and if…