[gha] Cleanup site action

Author: hazendaz

.github/workflows/site.yaml

@@ -20,12 +20,10 @@ jobs:
       - name: Build site
         run: ./mvnw site site:stage -DskipTests -Dlicense.skip=true -B -V --no-transfer-progress --settings ./.mvn/settings.xml
         env:
-          CI_DEPLOY_USERNAME: ${{ secrets.CI_DEPLOY_USERNAME }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           NVD_API_KEY: ${{ secrets.NVD_API_KEY }}
       - name: Deploy Site to gh-pages
         uses: JamesIves/github-pages-deploy-action@v4
         with:
           branch: gh-pages
           folder: target/staging
-          ssh-key: ${{ secrets.DEPLOY_KEY }}