Merge pull request #832 from p-tombez/9.0_back-package-noparent

[9.0][backport] stock: remove `_parent_store=True` from model `stock.quant.package`

addons/stock/stock.py

@@ -4233,10 +4233,7 @@ class stock_package(osv.osv):
     """
     _name = "stock.quant.package"
     _description = "Physical Packages"
-    _parent_name = "parent_id"
-    _parent_store = True
-    _parent_order = 'name'
-    _order = 'parent_left'
+    _order = 'name,id'
 
     def name_get(self, cr, uid, ids, context=None):
         res = self._complete_name(cr, uid, ids, 'complete_name', None, context=context)
@@ -4294,8 +4291,6 @@ def _get_packages_to_relocate(self, cr, uid, ids, context=None):
     _columns = {
         'name': fields.char('Package Reference', select=True, copy=False),
         'complete_name': fields.function(_complete_name, type='char', string="Package Name",),
-        'parent_left': fields.integer('Left Parent', select=1),
-        'parent_right': fields.integer('Right Parent', select=1),
         'packaging_id': fields.many2one('product.packaging', 'Packaging', help="This field should be completed only if everything inside the package share the same product, otherwise it doesn't really makes sense.", select=True),
         'location_id': fields.function(_get_package_info, type='many2one', relation='stock.location', string='Location', multi="package",
                                     store={