chore: remove the file sync.yml (#5)

# Description

This PR will remove the last file from .github that isn't needed.

Closes #4 

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This PR needs a quick review.

## Checklist

- [x] Read through for typos, added new words to the dictionary
- [x] Checked that the README is up to date
- [x] Resolved any Ruff errors / formatted in Markdown

Author: K-Beicher