ramips: remove optional ucidef_set_led_rssi parameters

The same values are set if the parameters are not specified.

Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/ramips/base-files/etc/board.d/01_leds

@@ -359,9 +359,9 @@ whr-600d)
 	;;
 wl-wn575a3)
 	ucidef_set_rssimon "wlan1" "200000" "1"
-	ucidef_set_led_rssi "wifi-low" "wifi-low" "$board:green:wifi-low" "wlan1" "1" "49" "0" "1"
-	ucidef_set_led_rssi "wifi-med" "wifi-med" "$board:green:wifi-med" "wlan1" "50" "84" "0" "1"
-	ucidef_set_led_rssi "wifi-high" "wifi-high" "$board:green:wifi-high" "wlan1" "85" "100" "0" "1"
+	ucidef_set_led_rssi "wifi-low" "wifi-low" "$board:green:wifi-low" "wlan1" "1" "49"
+	ucidef_set_led_rssi "wifi-med" "wifi-med" "$board:green:wifi-med" "wlan1" "50" "84"
+	ucidef_set_led_rssi "wifi-high" "wifi-high" "$board:green:wifi-high" "wlan1" "85" "100"
 	;;
 wrh-300cr)
 	set_wifi_led "$board:green:wlan"