fix: remove duplicate import in generated code

[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 like performance)
• ✨ 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

Small regression from #1012. We now have an import generated below:

nitro/src/rollup/plugins/storage.ts

Line 45 in d8ebc8c

import { createStorage, prefixStorage } from 'unstorage'

We can avoid the double import, which will cause a build failure whenever bundled storage is in use (e.g. nuxt/content).

 ERROR  RollupError: Identifier 'prefixStorage' has already been declared (Note that you need plugins to import files that are not JavaScript)


12: 
13: 
14: import { prefixStorage } from 'unstorage'
             ^
15: import overlay from 'unstorage/drivers/overlay'
16: import memory from 'unstorage/drivers/memory'


 ERROR  Identifier 'prefixStorage' has already been declared (Note that you need plugins to import files that are not JavaScript)              23:23:40

  at error (node_modules/.pnpm/rollup@3.19.1/node_modules/rollup/dist/es/shared/node-entry.js:2125:30)
  at Module.error (node_modules/.pnpm/rollup@3.19.1/node_modules/rollup/dist/es/shared/node-entry.js:13316:16)
  at Module.tryParse (node_modules/.pnpm/rollup@3.19.1/node_modules/rollup/dist/es/shared/node-entry.js:13993:25)
  at Module.setSource (node_modules/.pnpm/rollup@3.19.1/node_modules/rollup/dist/es/shared/node-entry.js:13603:39)
  at ModuleLoader.addModuleSource (node_modules/.pnpm/rollup@3.19.1/node_modules/rollup/dist/es/shared/node-entry.js:23569:20)

📝 Checklist

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

[codecov]

Codecov Report

Merging #1043 (d8ebc8c) into main (b27d246) will decrease coverage by 0.12%.
The diff coverage is n/a.

❗ Current head d8ebc8c differs from pull request most recent head 82d52ad. Consider uploading reports for the commit 82d52ad to get more accurate results

@@            Coverage Diff             @@
##             main    #1043      +/-   ##
==========================================
- Coverage   67.30%   67.19%   -0.12%     
==========================================
  Files          62       62              
  Lines        6280     6286       +6     
  Branches      706      707       +1     
==========================================
- Hits         4227     4224       -3     
- Misses       2038     2049      +11     
+ Partials       15       13       -2     

Impacted Files	Coverage Δ
src/rollup/plugins/storage.ts	98.61% <ø> (-0.02%)	⬇️

... and 3 files with indirect coverage changes

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[pi0]

I think we might remove from other place as only prefixStorage usage is now here

[pi0]

Thanks!