[MOD] account_followup: NL translation for Ref was Factuur
[MOD] account_followup: NL translation for Ref was Factuur

Changed this to comply with nl_BE and just leave it translated as Ref

CatsAndDogsbvba/odoo,CatsAndDogsbvba/odoo,CatsAndDogsbvba/odoo,CatsAndDogsbvba/odoo,CatsAndDogsbvba/odoo,CatsAndDogsbvba/odoo,CatsAndDogsbvba/odoo