Revert "feat: generate middleware types"

[wattanx]

🔗 Linked issue

Reverts #796

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

When adding named middleware with addRouteMiddleware, the type is not generated, so revert it once.
(Even without this feature, I have no trouble migrating Nuxt 3.)

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[danielroe]

I think it is expected that middleware added at runtime wouldn't have types generated for them. (True also in Nuxt 3.)

[wattanx]

True, the type was not generated even in Nuxt 3.
I guess I was mistaken. Thanks!!