ARM: dts: sun5i: lichee-pi one: Remove stale pinctrl-names entry

Some nodes still have pinctrl-names entry, yet they don't have any pinctrl
group anymore. Drop them.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun5i-a13-licheepi-one.dts

@@ -206,7 +206,6 @@ &usb_otg {
 };
 
 &usbphy {
-	pinctrl-names = "default";
 	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
 	usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
 	usb0_vbus-supply = <&reg_usb0_vbus>;