[FIX] remiove dependency to project_billing_utils
[FIX] remiove dependency to project_billing_utils

xpansa/project-service,acsone/project,dreispt/project-service,Endika/project,NeovaHealth/project-service,eezee-it/project-service,ddico/project,incaser/project,yelizariev/project-service,Antiun/project-service,akretion/project-service,acsone/project-service,sergiocorato/project-service,raycarnes/project,Antiun/project,dreispt/project,OCA/project-service