configuration_standard: use erp5_configurator_standard_categories

Instead of using a spreadsheet for categories, use
erp5_configurator_standard_categories business template.

This business template also configures quantity unit definition in the
new way and no longer use obsolete way of setting quantity property on
quantity unit categories.

The included spreadsheet is still used, but all categories except group and
site have been removed, it now only contain group/my_group and site/main.

bt5/erp5_configurator_standard/SkinTemplateItem/portal_skins/erp5_configurator_standard/BusinessConfiguration_setupStandardCategory.py

@@ -5,3 +5,11 @@ context.setGlobalConfigurationAttr(
 
 configuration_save.addConfigurationItem("Categories Spreadsheet Configurator Item",
                                  configuration_spreadsheet_data = getattr(context, "standard_category.ods").data)
+
+configuration_save.addConfigurationItem(
+    "Standard BT5 Configurator Item",
+    title='erp5_configurator_standard_categories',
+    bt5_id='erp5_configurator_standard_categories',
+    update_catalog=False,
+    install_dependency=True,
+)