Josh Hart has bad news for Joel Embiid: Everyone has a price. He doesn’t think the 76ers center’s plea to Philadelphia fans not to sell tickets to New Yorkers is going to work — it could be a repeat of the 2024 playoff series, when Knicks fans turned Xfinity Mobile Arena (then Wells Fargo Center) into Madison Square Garden Southwest. There were “MVP” chants for Jalen Brunson that irked Embiid. The 76ers big man said at the time, “It kind of pisses me off, especially because Philly is considered a sports town.” “I expect it to be similar, because Knicks fans travel. They’re probably the best fans in the NBA in terms of traveling and going to games. It might be cheaper to do that than go to the Garden,” Hart said Sunday after practice, as the Knicks prepared for Game 1 of their Eastern Conference semifinal series against the 76ers. “They love New York Knick basketball, they’re passionate about it, and we love it.…