Revert "Update supported platforms"

This reverts commit 2ad4d96aa6.

.github/workflows/main.yml

@@ -41,10 +41,6 @@ jobs:
         name: Check out code
         uses: actions/checkout@v3
 
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
@@ -68,7 +64,7 @@ jobs:
         name: Build images and push to registry
         uses: docker/build-push-action@v3
         with:
-          platforms: linux/amd64,linux/386,linux/arm64,linux/arm/v6,linux/arm/v7,linux/arm64/v8
+          platforms: linux/amd64
           cache-from: type=gha, scope=${{ github.workflow }}-${{ matrix.version }}
           cache-to: type=gha, scope=${{ github.workflow }}-${{ matrix.version }}, mode=max
           context: .