remove admin workflow

.gitea/workflows/backend-admin.yaml

@@ -1,33 +0,0 @@
-name: backend-admin-action
-run-name: ${{ gitea.actor }} is building docker image 🚀
-on: [push]
-
-jobs:
-  build-image:
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v3
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-          registry: gitea.cognizata.com
-      - name: Build and push
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          file: next.Dockerfile
-          push: true
-          platforms: linux/amd64
-          tags: gitea.cognizata.com/atapy/sorvor-admin:latest
-      - name: update server
-        uses: https://github.com/appleboy/ssh-action@v1.0.3
-        with:
-          host: 46.102.174.196
-          username: root
-          key: ${{ secrets.SORVOR_KEY }}
-          port: 22
-          script: "docker compose pull && docker compose up -d"
-      - run: echo "🍏 This job's status is ${{ job.status }}."