slapos_upgrader: Use activities is too much for upgrade the Upgrader

The upgrade of those few bt5 don't need to be launched on activities, specially because this script is manually invoked before the upgrade be launched.

master/bt5/slapos_upgrader/SkinTemplateItem/portal_skins/slapos_upgrader/ERP5Site_upgradeUpgraderBusinessTemplate.py

-portal = context.getPortalObject()
-portal_type = 'Template Tool'
-tag = 'upgrade_upgrader_%s' % random.randint(0, 2000)
-method_kw = {'bt5_list':['erp5_forge', 'erp5_upgrader', 'slapos_upgrader'],
+template_tool = context.getPortalObject().portal_templates
+
+template_tool.updateRepositoryBusinessTemplateList(
+  template_tool.getRepositoryList())
+
+method_kw = {'bt5_list': ['erp5_forge', 'erp5_upgrader',
+                          'slapos_upgrader', 'slapos_configurator'],
              'deprecated_after_script_dict': None,
              'deprecated_reinstall_set': None,
              'dry_run': False,
@@ -10,8 +13,4 @@ method_kw = {'bt5_list':['erp5_forge', 'erp5_upgrader', 'slapos_upgrader'],
              'update_catalog': False}
 
 
-portal.portal_catalog.searchAndActivate(
-       portal_type=portal_type,
-       method_id='upgradeSite',
-       method_kw=method_kw,
-       activate_kw=dict(tag=tag, priority=2))
+template_tool.upgradeSite(**method_kw)