fix: btrfs issue

[jeevithakannan2]

Type of Change

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

Description

• Timeshift does not support labels https://github.com/linuxmint/timeshift/issues/142
• Removed partition labels from the arch server setup script.

Testing

• Timeshift working.

Issues / other PRs related

• Resolves #345

Additional Information

• Spent over 4 hours checking out every possible reasons in a VM with crappy internet just for a simple 2 min fix
• Lesson learnt -> Always check the known issues of the application

Checklist

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