Remove ipq40xx customization

6.1/target/linux/ipq40xx/base-files/etc/init.d/gpio_switch

@@ -1,66 +0,0 @@
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2015 OpenWrt.org
-
-START=94
-STOP=10
-USE_PROCD=1
-
-
-load_gpio_switch()
-{
-	local name
-	local gpio_pin
-	local value
-
-	config_get gpio_pin "$1" gpio_pin
-	config_get name "$1" name
-	config_get value "$1" value 0
-
-	[ -z "$gpio_pin" ] && {
-		echo >&2 "Skipping gpio_switch '$name' due to missing gpio_pin"
-		return 1
-	}
-
-	local gpio_path
-	if [ -n "$(echo "$gpio_pin" | grep -E "^[0-9]+$")" ]; then
-		gpio_path="/sys/class/gpio/gpio${gpio_pin}"
-
-		# export GPIO pin for access
-		[ -d "$gpio_path" ] || {
-			echo "$gpio_pin" >/sys/class/gpio/export
-			# we need to wait a bit until the GPIO appears
-			[ -d "$gpio_path" ] || sleep 1
-		}
-
-		# direction attribute only exists if the kernel supports changing the
-		# direction of a GPIO
-		if [ -e "${gpio_path}/direction" ]; then
-			# set the pin to output with high or low pin value
-			{ [ "$value" = "0" ] && echo "low" || echo "high"; } \
-				>"$gpio_path/direction"
-		else
-			{ [ "$value" = "0" ] && echo "0" || echo "1"; } \
-				>"$gpio_path/value"
-		fi
-	else
-		gpio_path="/sys/class/gpio/${gpio_pin}"
-
-		[ -d "$gpio_path" ] && {
-			{ [ "$value" = "0" ] && echo "0" || echo "1"; } \
-				>"$gpio_path/value"
-		}
-	fi
-}
-
-service_triggers()
-{
-	procd_add_reload_trigger "system"
-}
-
-start_service()
-{
-	[ -e /sys/class/gpio/ ] && {
-		config_load system
-		config_foreach load_gpio_switch gpio_switch
-	}
-}