ANAHEIM, Calif. — Brett Howden had a game plan: That his Vegas Golden Knights team start so fast against the Anaheim Ducks on Thursday night, doubt would creep into the minds of the hosts. That the Knights would jump on top of the Ducks from the opening puck drop and be so dialed in, things would fall just as Howden’s side hoped. And they did. And for it, they move on to the toughest of obstacles. This is where all that experience talk turns into reality for the Knights. Close-out games. An opportunity to send a team home and advance on. This is what they mean about a veteran room. The Knights have done it again, eliminating the Ducks in Game 6 of a best-of-seven series at Honda Center. The final was 5-1. Not sure it was that close for large parts of the game. It was 3-0 after 20 minutes. Yes. Doubt crept in. The script “You want to score first, especially being on the road,” Knights defenseman Shea Theodore said. “Try and quiet the crowd. I thought we played great, and that’s what we had to do.…