[IMP] pos_restaurant: remove pos_order_ids from restaurant.table
[IMP] pos_restaurant: remove pos_order_ids from restaurant.table

Wasn't used anywhere, nor are there any plans for it being used in the
near future.

dfang/odoo,dfang/odoo,hip-odoo/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,ygol/odoo,dfang/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,ygol/odoo,dfang/odoo,ygol/odoo