Remove obsolet Dockerfile.buildx

Author: loafoe

.github/workflows/docker_tagged.yml

@@ -44,7 +44,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: ./
-          file: ./Dockerfile.buildx
+          file: ./Dockerfile
           platforms: linux/amd64,linux/arm64
           push: true
           tags: philipssoftware/logproxy:${{ steps.vars.outputs.tag }},docker.na1.hsdp.io/philipssoftware/logproxy:${{ steps.vars.outputs.tag }}