Docs: Fixes two links in CONTRIBUTING.md

[scottwittrock]

PR Checklist

• 🚫 Addresses an existing open issue: fixes - I can add if needed, but this was a small change.
• 🚫 That issue was marked as status: accepting prs - There was no issue for this change.
• ✅ Steps in CONTRIBUTING.md were taken

Overview

This PR fixes two broken links in the CONTRIBUTING.md guide. The label for "accepting prs" was changed to "status: accepting prs". It also removes the "-remix" from the repo name in the link.