Adjust the _Uninstall() function

[andro2399209]

In the _Uninstall() function, the method performed in #20 should be applied, knowing the known problem with mode con cols=X lines=X in Windows 11

[github-actions]

📌 Hello @andro2399209! Thanks for opening this issue. I've assigned @mlibre2 for review.

[mlibre2]

I was going to correct it and it slipped my mind, thanks! it will be for the next versions

[mlibre2]

The cmd method was replaced by SplashTextOn in v4.3

[github-actions]

🔒 Issue closed by @mlibre2. Thank you for your contribution.