[IMP]pms: improvement compute allowed_cancel

pms/models/pms_reservation.py

@@ -1176,9 +1176,7 @@ class PmsReservation(models.Model):
         # Reservations can be cancelled
         for record in self:
             record.allowed_cancel = (
-                True
-                if (record.state not in ["cancel", "done", "departure_delayed"])
-                else False
+                True if (record.state not in ["cancel", "done"]) else False
             )
 
     def _compute_ready_for_checkin(self):