[IMP] sale_coupon: no need of sale_management module for sale_coupon
[IMP] sale_coupon: no need of sale_management module for sale_coupon

When installing website_sale_coupon, you are forced to install sale_management,
it shouldn't be the case.

Task Id : 2192587

closes odoo/odoo#46416

Related: odoo/upgrade#861
Signed-off-by: Victor Feyens (vfe) <433cda6c0f0b5b2dac2ef769109a6da90db60157@odoo.com>

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo