ci: remove SKIP_PREPACK

Author: ccharly

.github/workflows/publish-release.yml

@@ -50,8 +50,6 @@ jobs:
         with:
           slack-webhook-url: ${{ secrets.SLACK_WEBHOOK_URL }}
           subteam: S042S7RE4AE # @metamask-npm-publishers
-        env:
-          SKIP_PREPACK: true
 
   publish-npm:
     name: Publish to NPM