SAN FRANCISCO—Mookie Betts is ready to throw out all the wins his Dodgers and the rival Giants piled up on the way to a frenetic regular-season finish. San Francisco edged the defending World Series champions by a single game for first place in the NL West, 107 victories to 106 — a total of 213 wins between them. It’s a new playoff stage now with baseball’s two hottest teams in a best-of-five NL Division Series. Game 1 is Friday night in the Bay Area. “I think all the 106 games are out the window now. It didn’t help us win the division, so it’s really irrelevant,” Betts said after the Dodgers earned a 3-1 wild card win over the Cardinals to set up this instant NLDS classic. “We’re in the spot we are now. We’ve got to play the hand we’re dealt. … Obviously, use what you learned in 106 …