[WIP] Fix failed resource loading for Vercel insights script

[Codex]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

---

This section details on the original issue you should resolve

<issue_title>Failed to get resources (Vercel script)</issue_title>
<issue_description>When going to the mobilitydatabase website, there will be an error in the console saying that the vercel insights script 404 and that it refused to execute script from vercel insights because it's mime type text/html is not executable and strict mime type checking is enabled.

There should be no console errors

</issue_description>

Comments on the Issue (you are @codex[agent] in this section)

[vercel]

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Project	Deployment	Actions	Updated (UTC)
mobilitydatabase-web	Ready	Preview, Comment	May 1, 2026 1:09pm

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[Alessandro100]

@codex[agent] it was discovered this issue is due to the fact that we do not have Web Analytics enabled in Vercel. Revert these changes and remove import { SpeedInsights } from '@vercel/speed-insights/next';

[Codex]

Reverted the layout change and removed the SpeedInsights usage/import in commit 70c5b3f.

[github-actions]

*Lighthouse ran on https://mobilitydatabase-d4aapeb4z-mobility-data.vercel.app/ * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟢 97	🟢 94	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-d4aapeb4z-mobility-data.vercel.app/feeds * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟠 86	🟠 87	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-d4aapeb4z-mobility-data.vercel.app/feeds/gtfs/mdb-2126 * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🔴 40	🟢 94	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-d4aapeb4z-mobility-data.vercel.app/feeds/gtfs_rt/mdb-2585 * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟢 97	🟠 84	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-d4aapeb4z-mobility-data.vercel.app/feeds/gbfs/gbfs-flamingo_porirua * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟢 92	🟢 94	🟢 96	🟢 100