chore: remove multi platform (#184)

Author: WasinWatt

.github/workflows/docker.yml

@@ -35,12 +35,6 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/metadata-action@v5
@@ -52,10 +46,7 @@ jobs:
         with:
           file: Dockerfile
           push: ${{ startsWith(github.ref, 'refs/tags') }}
-          platforms: linux/amd64,linux/arm64
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha
         env:
           VERSION: ${{ github.ref_name }}