fix: 🐛 cannot retry oidc authentication in desktop & admin (#2512)

* fix: 🐛 cannot retry oidc authentication in desktop & admin

✅ Closes: https://hashicorp.atlassian.net/browse/ICU-15250

ui/admin/tests/unit/controllers/scopes/scope/authenticate/method/oidc-test.js

@@ -16,7 +16,6 @@ module(
         'controller:scopes/scope/authenticate/method/oidc',
       );
       assert.ok(controller);
-      assert.ok(controller.authMethod);
     });
   },
 );