chore(ci): remove standalone Docker build workflow

.github/workflows/docker.yml

@@ -1,40 +0,0 @@
-name: Build and Push Docker Image
-
-on:
-  push:
-    branches: [ main ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and Push Docker Image
-        run: |
-          IMAGE="ghcr.io/${{ github.repository }}"
-          docker build -t "$IMAGE:latest" .
-          docker push "$IMAGE:latest"
-
-      - name: Set up Kubeconfig
-        run: |
-          mkdir -p ~/.kube
-          echo "${{ secrets.KUBECONFIG_BASE64 }}" | base64 -d > ~/.kube/config
-          chmod 600 ~/.kube/config
-        env:
-          KUBECONFIG: ~/.kube/config
-
-      - name: Deploy to Kubernetes
-        run: |
-          IMAGE="ghcr.io/${{ github.repository }}"
-          kubectl set image deployment/homepage homepage=$IMAGE:latest -n web