cleanup [docs/recipes/bun]: remove outdated blog post link

[0oAstro]

Description (required)

I am removing a 404 blog post link in the bun docs.
I went over the author's website and couldn't find a substitute, otherwise I would've replaced it with something else.

One candidate I liked a lot was https://blog.otterlord.dev/posts/hello/ instead. Let me know what you think about that.

Related issues & labels (optional)

None

• Closes #
• Suggested label: cleanup/docs

First-time contributor to Astro Docs?

Yes :D

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[Copilot]

Pull request overview

This PR removes a broken blog post link from the Bun recipe documentation. The link to "Building a Cloudflare Pages site with Bun" returns a 404 error and is being removed from the Community Resources section.

Changes:

• Removed a 404 blog post link from the Community Resources section

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[TheOtterlord]

Oops! Thanks!