fix(vercel): remove deprecated address type

[ryuapp]

In #2958, we plan to remove an unnecessary address type.
So this PR removes it from vercel adapter.

The author should do the following, if applicable

• Add tests
• Run tests
• bun run format:fix && bun run lint:fix to format the code
• Add TSDoc/JSDoc to document the code

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.15%. Comparing base (fbae337) to head (dab557a).
Report is 1 commits behind head on next.

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #3115      +/-   ##
==========================================
- Coverage   96.15%   96.15%   -0.01%     
==========================================
  Files         144      145       +1     
  Lines       14748    14757       +9     
  Branches     2603     2590      -13     
==========================================
+ Hits        14181    14189       +8     
- Misses        567      568       +1     

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[yusukebe]

LGTM!

[yusukebe]

@ryuapp

Thanks!