[FIX] stock_request: Remove route_ids fields from requests

It is not correct to set the route_ids field with the product routes, you must be able
to select any route (similar to what is shown in the product form view).

TT50610

stock_request/models/stock_request_abstract.py

@@ -96,47 +96,14 @@ class StockRequest(models.AbstractModel):
     route_id = fields.Many2one(
         "stock.location.route",
         string="Route",
-        domain="[('id', 'in', route_ids)]",
+        domain=[("product_selectable", "=", True)],
         ondelete="restrict",
     )
 
-    route_ids = fields.Many2many(
-        "stock.location.route",
-        string="Routes",
-        compute="_compute_route_ids",
-        readonly=True,
-    )
-
     _sql_constraints = [
         ("name_uniq", "unique(name, company_id)", "Name must be unique")
     ]
 
-    @api.depends("product_id", "warehouse_id", "location_id")
-    def _compute_route_ids(self):
-        route_obj = self.env["stock.location.route"]
-        routes = route_obj.search(
-            [("warehouse_ids", "in", self.mapped("warehouse_id").ids)]
-        )
-        routes_by_warehouse = {}
-        for route in routes:
-            for warehouse in route.warehouse_ids:
-                routes_by_warehouse.setdefault(
-                    warehouse.id, self.env["stock.location.route"]
-                )
-                routes_by_warehouse[warehouse.id] |= route
-        for record in self:
-            routes = route_obj
-            if record.product_id:
-                routes += record.product_id.mapped(
-                    "route_ids"
-                ) | record.product_id.mapped("categ_id").mapped("total_route_ids")
-            if record.warehouse_id and routes_by_warehouse.get(record.warehouse_id.id):
-                routes |= routes_by_warehouse[record.warehouse_id.id]
-            parents = record.get_parents().ids
-            record.route_ids = routes.filtered(
-                lambda r: any(p.location_id.id in parents for p in r.rule_ids)
-            )
-
     def get_parents(self):
         location = self.location_id
         result = location

stock_request/tests/test_stock_request.py

@@ -254,7 +254,6 @@ class TestStockRequestBase(TestStockRequest):
         vals = stock_request.default_get(["warehouse_id", "company_id"])
         stock_request.update(vals)
         stock_request.onchange_product_id()
-        self.assertIn(self.route.id, stock_request.route_ids.ids)
 
         self.stock_request_user.company_id = self.company_2
         stock_request.company_id = self.company_2

stock_request/views/stock_request_order_views.xml

@@ -132,7 +132,6 @@
                                         options="{'no_create': True}"
                                         groups="stock.group_stock_multi_locations"
                                     />
-                                    <field name="route_ids" invisible="1" />
                                     <field name="product_uom_qty" />
                                     <field name="qty_in_progress" />
                                     <field name="qty_done" />

stock_request/views/stock_request_views.xml

@@ -182,7 +182,6 @@
                                 options="{'no_create': True}"
                                 groups="stock.group_stock_multi_locations"
                             />
-                            <field name="route_ids" invisible="1" />
                             <field
                                 name="procurement_group_id"
                                 groups="stock.group_adv_location"