Purpose
=======
It is currently difficult to know exactly what is used for costs
and services on the contracts.
Hence it make it difficult to evolve the fleet application
We should clean the models in order to have something that is clearer
Specification
=============
Cleanup of models: removed Fuel and Cost. Contract and Services are no
longer inheriting Cost and are seperate models simplifying the use of
Fleet. A contract now has included services and they are no longer
generating cost.
closesodoo/odoo#34090
Taskid: 1931775
Related: odoo/enterprise#4572
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>
Kevin Baptiste
82df1dfccc