fix: remove layer0 and edgio providers

[danielroe]

🔗 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

Layer0/edgio has filed for Chapter 11 bankruptcy relief (see https://www.edg.io) and is no longer useable.

[cloudflare-workers-and-pages]

Deploying nuxt-image with    Cloudflare Pages

Latest commit:	626f8f0
Status:	✅  Deploy successful!
Preview URL:	https://96cd2a58.nuxt-image.pages.dev
Branch Preview URL:	https://fix-layer0.nuxt-image.pages.dev

View logs

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 63.35%. Comparing base (9d7079b) to head (626f8f0).
⚠️ Report is 336 commits behind head on main.

Files with missing lines	Patch %	Lines
docs/pages/index.vue	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1763      +/-   ##
==========================================
- Coverage   63.57%   63.35%   -0.23%     
==========================================
  Files          80       78       -2     
  Lines        3742     3719      -23     
  Branches      427      424       -3     
==========================================
- Hits         2379     2356      -23     
  Misses       1337     1337              
  Partials       26       26              

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