Emmanuel Mudiay is regressing as the new starting point guard but Jeff Hornacek is not ready to bag this audition. Not yet, anyway. Hornacek will continue to keep rookie Frank Ntilikina and Trey Burke coming off the bench, but the Knicks coach added that has no bearing on next season’s starting point-guard situation. Again brutal in Sunday’s loss in Sacramento, Mudiay was benched for the game’s final 20 minutes. He went scoreless, missing all six of his shots. Burke was the point guard when the Knicks made their comeback from a 19-point deficit to forge a tie. “You got to forget about that night,’’ Mudiay said. “It was a bad night. One thing about the NBA that is good you got a lot of games. So you can make it up tomorrow.’’ After practice Monday at the University of Portland, Hornacek huddled with Mudiay for several minutes on the court, again talking technique. Mudiay is shooting 35.4 percent in eight games as a Knick — 13.6 percent from beyond the 3-point arc. “He even said it, he’s got that little hitch in there that he felt like prior to this he was getting rid of,’’ Hornacek said. “And then it’s kind of come back on him. The Golden State game he didn’t shoot with the hitch and he made a bunch of shots. They figure out what they’re doing wrong and he was out there trying to correct it today. Guys are going to have off nights.”