Remove ipq40xx customization

6.1/target/linux/ipq40xx/base-files/bin/board_track

@@ -1,47 +0,0 @@
-#!/bin/sh
-
-. /lib/functions/uci-defaults.sh
-
-CFG=/etc/board.json
-SLP=30
-
-check_modem() {
-	json_select "$2"
-	json_get_vars id
-
-	[ -z "$id" ] && {
-		json_select ..
-		return 0
-	}
-
-	#logger -t "board-track" "ls -d /sys/bus/usb/devices/$id/${id}*/tty?*"
-	ttys=$(ls -d /sys/bus/usb/devices/$id/${id}*/tty?*)
-
-	[ -n "$ttys" ] || { #FAILED TO FIND MODEM
-		logger -t "board-track" "modem $id not detected"
-		for m in /sys/class/gpio/modem*_power; do
-			label="$(basename $m | awk -F_ '{print $1}')"
-			mctl -s -m ${label}
-			sleep 1
-			mctl -p -m ${label}
-		done
-		sleep 5
-		ip link set up dev wwan0 2>&1 >/dev/null
-		ip link set up dev wwan1 2>&1 >/dev/null
-		json_select ..
-		return 1
-	}
-
-	[ -n "$(ip link show dev wwan0 | grep DOWN)" ] && ip link set up dev wwan0 2>&1 >/dev/null
-	[ -n "$(ip link show dev wwan1 | grep DOWN)" ] && ip link set up dev wwan1 2>&1 >/dev/null
-
-	#MODEM UP
-	json_select ..
-}
-
-board_config_update
-while true; do
-	json_for_each_item check_modem modems
-	sleep $SLP
-	[ $SLP -lt 300 ] && SLP=$((SLP+30))
-done