Remove numpy from nextjs-flask to fix broken builds

[sup]

Description

pip fails to install this dependency on Python 3.12

• Stacktrace: https://gist.github.com/sup/f0ff6eb90c03fbe7bd4329b0202dbbb8
• Issue: https://github.com/vercel/examples/issues/946

While fixing the root cause of the error is certainly one way of going about it, numpy is not even used for the hello-world Flask app this ships with. To simplify things, this commit removes numpy as a dependency entirely.

Demo URL

https://automaton-seven.vercel.app/

Type of Change

• [ ] New Example
• [x] Example updates (Bug fixes, new features, etc.)
• [ ] Other (changes to the codebase, but not to examples)

New Example Checklist

Not applicable

• [ ] 🛫 npm run new-example was used to create the example
• [ ] 📚 The template wasn't used but I carefuly read the Adding a new example steps and implemented them in the example
• [ ] 📱 Is it responsive? Are mobile and tablets considered?

[vercel[bot]]

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[vercel[bot]]

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[socket-security[bot]]

Removed dependencies detected. Learn more about Socket for GitHub ↗︎

🚮 Removed packages: pypi/[email protected])

View full report↗︎

[sup]

@dferber90 It's a bit quiet around here, but can I interest you in a review of a simple fix for a broken example? 👀

[dferber90]

Thank you @sup! I was out of office and just came back 👍