ci: Remove redundant prepublishOnly step from publish workflow (#12)

Co-authored-by: Claude Sonnet 4.5 <[email protected]>

Author: roottool

.github/workflows/publish.yml

@@ -55,9 +55,6 @@ jobs:
       - name: Initialize
         uses: ./.github/actions/setup-environment
 
-      - name: Run prepublishOnly
-        run: bun run prepublishOnly
-
       - name: Setup Node.js
         uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with: