don't upgrade broken BT

/reviewed-on nexedi/slapos.core!115

master/bt5/slapos_configurator/SkinTemplateItem/portal_skins/slapos_configurator/TemplateTool_getSlapOSMasterBusinessTemplateList.py

@@ -12,6 +12,8 @@ keep_bt5_id_list = ['erp5_ui_test',
                     'erp5_ui_test_core',
                     'slapos_jio_ui_test',
                     'slapos_category',
+                    # XXX erp5_accounting_l10n_fr should be removed when bug is fixed
+                    'erp5_accounting_l10n_fr',
                     'erp5_secure_payment',
                     'slapos_hypermedia',
                     'vifib_datas']