A top contender to be Kamala Harris’ pick for her running mate appeared to say he was no longer in contention on Sunday before quickly deleting and replacing the statement that potentially indicates otherwise. U.S. Sen. Mark Kelly (D-AZ), who is thought to be one of the top Democratic options for Harris’ #2 spot, posted on his social media over the weekend saying, “My background is a bit different than most politicians. I spent my life serving in the Navy and at NASA, where the mission always comes first.” “Now, my mission is serving Arizonans,” the now-deleted post said. Want more breaking po…