refact: remove snaps

[jeevithakannan2]

Type of Change

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

Description

• Check if snap is installed before trying to remove snap.
• Merge dnf and zypper packagers as they both have the same commands.

Testing

• Works as expected

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.