ARM: shmobile: sh73a0: Remove USB function GPIOs

Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

arch/arm/mach-shmobile/include/mach/sh73a0.h

@@ -94,8 +94,7 @@ enum {
 	GPIO_PORT305, GPIO_PORT306, GPIO_PORT307, GPIO_PORT308, GPIO_PORT309,
 
 	/* Table 25-1 (Function 0-7) */
-	GPIO_FN_VBUS_0 = 310,
-	GPIO_FN_GPI0,
+	GPIO_FN_GPI0 = 310,
 	GPIO_FN_GPI1,
 	GPIO_FN_GPI2,
 	GPIO_FN_GPI3,