INDIANAPOLIS — Shaquille O’Neal’s response was blunt when asked for his outlook on the 76ers’ season, following the knee surgery that will keep reigning NBA MVP Joel Embiid sidelined for at least several weeks. “They’re done,” O’Neal said Thursday night from the Indiana Convention Center ahead of All-Star weekend. “And that’s the unfortunate thing about life and the unfortunate thing about this league. One little thing can go off. “And it’s so unfortunate, because if he doesn’t get it done, then you’ve got to start all over. And the older you get, the window closes.” The comments from O’Neal, …