[MOV] energy_selfconsumption: move contract.py to energy_selfconsumption

energy_project/models/__init__.py

@@ -3,4 +3,3 @@ from . import project_type
 from . import inscription
 from . import reseller
 from . import supplier
-from . import contract

energy_project/models/contract.py

-from odoo import fields, models
-
-
-class Contract(models.Model):
-    _inherit = "contract.contract"
-
-    project_id = fields.Many2one(
-        "energy_project.project",
-        required=True,
-        ondelete="restrict",
-        string="Energy Project",
-        check_company=True,
-    )