refact(brave-install): simplify script

[Angxddeep]

Type of Change

• New feature
• Bug fix
• Documentation update
• Refactoring
• Hotfix
• Security patch
• UI/UX improvement

Description

So the folks at Brave made an all-in-one curl script for Linux, so just using that is better than the mess we have today.

Testing

Tested and works

Checklist

• My code adheres to the coding and style guidelines of the project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no errors/warnings/merge conflicts.

[afonsofrancof]

LGTM

[koibtw]

i think we should remove brave installation entirely if there's a one-line universal solution. @ChrisTitusTech ?

[lj3954]

i think we should remove brave installation entirely if there's a one-line universal solution. @ChrisTitusTech ?

Linutil has options to install firefox, chromium, etc, even though they're essentially the same line regardless of distro. I think it's better to keep it around.