ANAHEIM, Calif. — If a gambler at Las Vegas’ high-stakes tables got on a winning run as long and as impressive as the Golden Knights’ first nine seasons in the NHL, the casino would probably encourage them to leave.The rest of the NHL can’t get rid of the Knights that easily, and their ridiculous roll has extended all the way into yet another Western Conference finals.The Knights won their 14th playoff series when they finished off the upstart Anaheim Ducks with a 5-1 victory in Game 6 of the second round Thursday night. No team has won more postseason series since Vegas entered the league in 2017, and the Knights are in the third round of the playoffs for a jaw-dropping fifth time in nine seasons.This charmed club is halfway to its second Stanley Cup title, but it isn’t just luck driving Sin City’s team deep into seemingly every postseason while the rest of the West looks on in frustration and envy.Vegas’ win-at-all-costs philosophy has required years of expensive signings and high-profile talent acquisitions. It led to a shocking coaching change this spring. It has also depended on that talent’s ability to coalesce when games mean the most — a feat that even great teams sometimes can’t pull off.So far, the Knights’ pot hasn’t gone empty — and their luck is holding strong.“Just proud of the guys,” s …