No longer need the local registry

docker/alpine.Dockerfile

@@ -6,14 +6,12 @@ FROM --platform=$BUILDPLATFORM ${DOCKER_IMAGE_ROOT}/build-base:${TAG} AS build-b
 ARG ALPINE_ARCH
 ARG ALPINE_VER
 ARG CRIO_VERSION
-ARG REGISTRY_VERSION
 ARG DEVICE_TREE_TARGET
 
 RUN mkdir -p "/out/rootfs"
 
 COPY packages/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz ./alpine.tar.gz
 COPY packages/${CRIO_VERSION}.tar.gz ./crio.tar.gz
-COPY packages/registry-${REGISTRY_VERSION}.tar.gz ./registry.tar.gz
 COPY out/board.itb ./
 COPY out/rootfs ./rootfs
 COPY out/${DEVICE_TREE_TARGET}.dtb ./