Revert "chore: Break renovate.json to prove the validation fails"

This reverts commit 208db772.

renovate.json

@@ -16,6 +16,5 @@
       "depNameTemplate": "gitlab-com/gl-infra/common-ci-tasks",
       "datasourceTemplate": "gitlab-tags"
     }
-  ],
-  "incorrect_key": "test the failure"
+  ]
 }