style: remove unused params of `main`

[vil02]

Description of Change

This PR removes the unused parameters of the main functions. Resolves some of the -Wunused-parameter warnings.

Checklist

• [x] Added description of change
• [x] Relevant documentation/comments is changed or added
• [x] PR title follows semantic commit guidelines
• [x] Search previous suggestions before making a new one, as yours may be a duplicate.
• [x] I acknowledge that all my contributions will be made under the project's license.

Notes: Remove unused params in the main functions.