chore: remove legacy silent vercel

[iiio2]

🔗 Linked issue

❓ 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)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Actually Vercel Silent is now deprecated. May be I mean may be we can remove it then.

https://vercel.com/docs/projects/project-configuration/git-configuration#legacy

[antfu]

Shall we just remove that file?

[iiio2]

yes @antfu . I have removed the file.