Remove unused Logout url var

test/integration_tests/app.py

@@ -6,7 +6,6 @@ from flask_dance.consumer import OAuth2ConsumerBlueprint, oauth_authorized, oaut
 
 BASE_URL=environ["BASE_URL"]
 ACCESS_TOKEN_URL=environ["ACCESS_TOKEN_URL"]
-LOGOUT_URL=environ["LOGOUT_URL"]
 AUTHORIZE_URL=environ["AUTHORIZE_URL"]
 USERINFO_URL=environ["USERINFO_URL"]
 KEY=environ["KEY"]