Use gha cache

.github/workflows/image.yml

@@ -11,15 +11,6 @@ jobs:
       -
         name: checkout code
         uses: actions/checkout@v3
-      -
-        name: Cache Docker layers
-        uses: actions/cache@v3
-        id: cache
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-        
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v2