Set 'oauth.openid.hidden' to true

config/config.default.php

@@ -105,7 +105,7 @@ return [
             // For example {"user":{"name":"foo"}} can be accessed using user.name
             'nested_info'        => false,
             // Only show after clicking the page title (optional)
-            'hidden'             => false,
+            'hidden'             => true,
             // Mark user as arrived when using this provider (optional)
             'mark_arrived'       => true,
             // If the password field should be enabled on registration (optional)