[IMP] pms: avoid apply same discount as reservation lines to board service lines

pms/models/pms_service_line.py

@@ -181,18 +181,7 @@ class PmsServiceLine(models.Model):
         equal to reservation line discount
         """
         for record in self:
-            if record.is_board_service:
-                consumed_date = (
-                    record.date
-                    if record.product_id.consumed_on == "before"
-                    else record.date + datetime.timedelta(days=-1)
-                )
-                record.discount = (
-                    record.service_id.reservation_id.reservation_line_ids.filtered(
-                        lambda l: l.date == consumed_date
-                    ).discount
-                )
-            elif not record.discount:
+            if not record.discount:
                 record.discount = 0
 
     # TODO: Refact method and allowed cancelled single days