Move: out the rootless script from workflows

.forgejo/workflows/docker-image-rootless.yml

@@ -1,33 +0,0 @@
-name: Publish Docker rootless image
-
-on:
-  workflow_dispatch:
-  push:
-    branches: [main]
-
-jobs:
-  push_to_registry:
-    name: Push Docker image to Docker Hub
-    runs-on: docker
-    container:
-      image: node:20-bullseye
-    steps:
-      - name: Check out the repo
-        uses: actions/checkout@v2
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-        
-      - name: Docker Login
-        uses: docker/login-action@v1.12.0
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Build and push Docker rootless image
-        uses: docker/build-push-action@v2.9.0
-        with:
-          context: .
-          push: true
-          file: Dockerfile-rootless
-          tags: aroyart/iso-share:latest:latest-rootless