Without edit gamelist.xml is not possible to change this image or hide it?
No, this image is from the theme, you need to change the theme, or customize the theme.
The easiest way is to update the gamelist with an external software like ARRM or Skraper:
- Skraper: https://www.youtube.com/watch?v=G388Gc6kkRs&list=PL2oNQ0AT7fx2ExiSNrfHUzga5GnogI4sh&index=22&ab_channel=Recalbox
- ARRM: https://forum.recalbox.com/topic/11850/arrm-another-recalbox-roms-manager?_=1609592968003
But if you prefer to customize the theme, read this:
https://recalbox.gitbook.io/documentation/v/francais/tutoriels/personnalisation-du-frontend/ajouter-des-themes-a-emulationstation