[REM] stock: remove stock_picking_responsible.py

As the responsible can be assigned directly in the list view, the assign
responsible wizard is now useless. The Country will not forget what you
did for us wizard, thank you.

closes odoo/odoo#38365

Signed-off-by: Simon Lejeune (sle) <sle@openerp.com>

addons/stock/wizard/__init__.py

@@ -14,4 +14,3 @@ from . import stock_warn_insufficient_qty
 from . import product_replenish
 from . import stock_track_confirmation
 from . import stock_package_destination
-from . import stock_picking_responsible  # TODO: Remove this import in 13.1

addons/stock/wizard/stock_picking_responsible.py

@@ -1,26 +0,0 @@
-# -*- coding: utf-8 -*-
-# Part of Odoo. See LICENSE file for full copyright and licensing details.
-
-from odoo import _, fields, models
-from odoo.exceptions import UserError
-
-
-# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-# TODO: REMOVE THIS FILE IN 13.1 !
-# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-class StockPickingResponsible(models.TransientModel):
-    _name = 'stock.picking.responsible'
-    _description = 'Assign Responsible'
-
-    user_id = fields.Many2one(
-        'res.users', 'Responsible',
-        domain=lambda self: [('groups_id', 'in', self.env.ref('stock.group_stock_user').id)],
-        default=lambda self: self.env.user)
-
-    def assign_responsible(self):
-        self.ensure_one()
-        pickings = self.env['stock.picking'].browse(self.env.context.get('active_ids'))
-        restricted_companies = pickings.company_id - self.user_id.company_ids
-        if restricted_companies:
-            raise UserError(_('%s has a restricted access to %s') % (self.user_id.name, restricted_companies.mapped('name')))
-        pickings.write({'user_id': self.user_id.id})