Remove node-version-file reference from integration workflow

Author: agoldis

.github/workflows/integration.yml

@@ -29,7 +29,6 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           cache: "pnpm"
-          node-version-file: ".nvmrc"
 
       - name: Install dependencies
         run: pnpm install --prefer-offline