Remove unused /var/lib/registry data

alpine/preload-k8s-images.sh

@@ -22,7 +22,7 @@ FUSE_OVERLAYFS="${FUSE_OVERLAYFS:-/usr/bin/fuse-overlayfs}"
 ARCHIVE_DIR="${KUBE_IMG_CACHE}/archives/${ARCH}/${KUBE_VERSION}"
 
 # Seed directly into the target rootfs image store.
-TARGET_GRAPHROOT="${ROOTFS}/var/lib/containers/storage"
+TARGET_GRAPHROOT="${ROOTFS}/usr/lib/monok8s/imagestore"
 
 # Build-host temporary runtime state for containers/storage.
 TMPDIR="$(mktemp -d)"
@@ -117,4 +117,4 @@ done
 echo
 echo "Done."
 echo "Archives:       ${ARCHIVE_DIR}"
-echo "CRI-O storage:  ${TARGET_GRAPHROOT}"
+echo "CRI-O storage:  ${TARGET_GRAPHROOT}"