ci: drop preview-publish.yml comment (unrelated to actors)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: ImriKochWix

.github/workflows/preview-publish.yml

@@ -23,8 +23,6 @@ jobs:
           registry-url: "https://registry.npmjs.org"
 
       - name: Update npm
-        # Pin to npm@11: npm@latest is now 12.x, which requires node >=22 and
-        # fails EBADENGINE on this node-20 runner. npm 11 supports node ^20.17.
         run: npm install -g npm@11
 
       - name: Install dependencies