oauth_google_login: BT definition fixes

unused variable in the test, manual editions and missing metadata

bt5/erp5_oauth_google_login/TestTemplateItem/portal_components/test.erp5.testGoogleLogin.py

@@ -111,7 +111,6 @@ class TestGoogleLogin(ERP5TypeTestCase):
     GoogleLoginUtility.getUserEntry = getUserEntry
 
     self.dummy_connector_id = "test_google_connector"
-    person_module = self.portal.person_module
     portal_catalog = self.portal.portal_catalog
     for obj in portal_catalog(portal_type=["Google Login", "Person"],
                               reference=getUserId(None),

bt5/erp5_oauth_google_login/bt/template_property_sheet_id_list

+TemplateToolERP5GoogleExtractionPluginConstraint
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