uboot-envtools: ipq40xx: remove unused function ubootenv_mtdinfo()

This function is defined but unused. There is no reason to keep it.

Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/21052
Signed-off-by: Hauke Mehrtens <[email protected]>

package/boot/uboot-tools/uboot-envtools/files/ipq40xx

@@ -11,25 +11,6 @@ touch /etc/config/ubootenv
 
 board=$(board_name)
 
-ubootenv_mtdinfo () {
-	UBOOTENV_PART=$(cat /proc/mtd | grep APPSBLENV)
-	mtd_dev=$(echo $UBOOTENV_PART | awk '{print $1}' | sed 's/:$//')
-	mtd_size=$(echo $UBOOTENV_PART | awk '{print "0x"$2}')
-	mtd_erase=$(echo $UBOOTENV_PART | awk '{print "0x"$3}')
-	nor_flash=$(find /sys/bus/spi/devices/*/mtd -name ${mtd_dev})
-
-	if [ -n "$nor_flash" ]; then
-		ubootenv_size=$mtd_size
-	else
-		# size is fixed to 0x40000 in u-boot
-		ubootenv_size=0x40000
-	fi
-
-	sectors=$(( $ubootenv_size / $mtd_erase ))
-	sectors=$(printf "0x%x" $sectors )
-	echo /dev/$mtd_dev 0x0 $ubootenv_size $mtd_erase $sectors
-}
-
 case "$board" in
 alfa-network,ap120c-ac|\
 devolo,magic-2-wifi-next|\