configs/wandboard: drop custom post-image script

Use support/scripts/genimage.sh, instead, which prevents duplicating
TARGET_DIR under ${BUILD_DIR}/genimage.tmp/root.

Signed-off-by: Carlos Santos <unixmania@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

board/wandboard/post-image.sh

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-
-BOARD_DIR="$(dirname $0)"
-GENIMAGE_CFG="${BOARD_DIR}/genimage.cfg"
-GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
-
-rm -rf "${GENIMAGE_TMP}"
-
-genimage \
-  --rootpath "${TARGET_DIR}" \
-  --tmppath "${GENIMAGE_TMP}" \
-  --inputpath "${BINARIES_DIR}" \
-  --outputpath "${BINARIES_DIR}" \
-  --config "${GENIMAGE_CFG}"
-