ci: remove redundant Docker Hub login

Signed-off-by: Evan Wies <evan@neomantra.net>

Author: neomantra

.github/workflows/docker-publish.yml

@@ -251,12 +251,6 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
       - name: Login to Docker Mirror
         if: vars.ENABLE_DOCKERHUB_MIRROR == 'true'
         uses: docker/login-action@v3