Add shipment domain on production moves

The production moves can not be also linked to shipment and this has the
advantage to hide the column in production moves views.

issue5110
review16801002

production.py

@@ -104,6 +104,7 @@ class Production(Workflow, ModelSQL, ModelView):
             readonly=True), 'get_cost')
     inputs = fields.One2Many('stock.move', 'production_input', 'Inputs',
         domain=[
+            ('shipment', '=', None),
             ('from_location', 'child_of', [Eval('warehouse')], 'parent'),
             ('to_location', '=', Eval('location')),
             ('company', '=', Eval('company', -1)),
@@ -115,6 +116,7 @@ class Production(Workflow, ModelSQL, ModelView):
         depends=['warehouse', 'location', 'company'])
     outputs = fields.One2Many('stock.move', 'production_output', 'Outputs',
         domain=[
+            ('shipment', '=', None),
             ('from_location', '=', Eval('location')),
             ('to_location', 'child_of', [Eval('warehouse')], 'parent'),
             ('company', '=', Eval('company', -1)),