MycroftOS: Remove SDresize init script as it doesn't work with systemd

- Didn't work at boottime anyway
- Need to be recreated utilizing systemd

buildroot-external/rootfs-overlay/etc/init.d/S00resize_sdcard

@@ -1,25 +0,0 @@
-#!/bin/sh
-#
-# Resize SD card
-#
-
-start() {
-	printf "Resize data partition ..."
-	parted /dev/mmcblk0 unit % resizepart 2 yes 100% &&
-	partprobe /dev/mmcblk0 &&
-	sync &&
-	resize2fs /dev/mmcblk0p2 &&
-	chmod -x /etc/init.d/S00resize_sdcard &&
-	echo "[OK]"
-}
-
-case "$1" in
-  start)
-        start
-        ;;
-  *)
-        echo "Usage: $0 {start}"
-        exit 1
-esac
-
-exit $?