To remove test banner from live database 

1. Activate developer mode
2. from technical menu choose views
3. Search ubg_test_banner ---> deactivate it 
4. Search ubg_test_rippon ---> deactivate it 

You can check the video below 

                                    https://drive.google.com/file/d/1E9UuGNnv0KrKpxBAk0kciOhQXQmzNErs/view