The New York Knicks aren’t shipping up to Boston. After coming back from a 3-1 series deficit, Joel Embiid’s  Philadelphia 76ers  shocked the Celtics and advanced to the Eastern Conference Semifinals, where they’ll face Jalen Brunson, Karl Anthony-Towns, OG Anunoby, Mikal Bridges, Josh Hart, and the rest of Mike Brown’s talented club. Games at Madison Square Garden are scheduled to take place on these dates: Game 1 Monday, May 4 8 p.m. Game 2 Wednesday, May 6 7 p.m. Game 5 Tuesday, May 12 TBD Game 7 Sunday, May 17 TBD If you’d like to be there, last-minute tickets are available for all hypothetical Knicks home contests at MSG. At the time of publication, the lowest price we could find on seats for any one game at the Garden was $321, including fees on SeatGeek. Prices start at  $318, including fees  for head-to-head hardwood battles at Philadelphia’s Xfinity Mobile Arena.…