The Army West Point Black Knights will need more than a rebranding to beat Navy, at least in the eyes of Las Vegas oddsmakers. The Golden Nugget sportsbook in Vegas released its annual way-too-early-to-take-all-that-seriously betting lines for select college football games Friday. ESPN.com has the full list here, but for Army-Navy watchers, the number to know is 13. That is, Vegas has listed the Midshipmen as 13-point favorites over the Black Knights to extend their rivalry win streak, which now stands at 13 games. The Golden Nugget had the same line set last summer (Navy won, 17-10) and had Navy…