Remove actions/node as it may not be needed

Possibly required to run the versioner

.github/workflows/build.yml

@@ -13,11 +13,6 @@ jobs:
       packages: write
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: "20.x"
-          registry-url: "https://registry.npmjs.org"
-          cache: npm
       - uses: microbit-foundation/npm-package-versioner-action@v1
       - run: npm publish
         if: github.event_name == 'release' && github.event.action == 'created'