Restore default build script

scripts/buildx

@@ -23,10 +23,9 @@ docker buildx build \
 	--build-arg BUILD_DATE="$(date '+%Y-%m-%d %T %Z')" \
 	--build-arg GOPROXY="${GOPROXY:-}" \
 	--build-arg GOPRIVATE="${GOPRIVATE:-}" \
-	--platform linux/arm64 \
+	--platform linux/amd64,linux/arm64,linux/arm/7 \
 	--progress plain \
 	--pull \
-	--load \
 	-f docker/Dockerfile \
 	$@ \
 	.