chore: clean up vercel build patches

.github/workflows/build-assets.yml

@@ -92,12 +92,9 @@ jobs:
         if: steps.check-vercel-env.outputs.defined == 'true'
         run: |
           rm -rf ./rsshub-vercel/src
-          rm -rf ./rsshub-vercel/patches
           rm -rf ./rsshub-vercel/pnpm-lock.yaml
           mkdir -p ./rsshub-vercel/src
-          mkdir -p ./rsshub-vercel/patches
           cp -r ./dist/* ./rsshub-vercel/src
-          cp -r ./patches/* ./rsshub-vercel/patches
           cd rsshub-vercel
           pnpm i
       - name: Commit vercel