🐛 fix: remove faulty breadcrumbs

[JoshuaKGoldberg]

PR Checklist

• [x] Addresses an existing open issue: fixes #25
• [x] That issue was marked as accepting prs
• [x] Steps in CONTRIBUTING.md were taken

Overview

Breadcrumbs aren't very customizeable yet (#6953), so in the meantime this just removes them. Ah well.