Remove main_supplier_id from purchase_order_generator

[victor-champonnois]

Because it is already present in product_main_supplier . An analysis about the potential impacts is needed.

Obeesdoo/purchase_order_generator/models/product_template.py

Lines 19 to 22 in 542d7be

	# fixme : already present in product_main_supplier
	main_supplier_id = fields.Many2one(
	"res.partner", compute="_compute_main_supplier_id", store=True
	)