mb/google/zork: Do not share "write protect" information with depthcharge

This change removes "write protect" entry from the list of GPIOs
shared with depthcharge as done for other Chrome OS boards in CB:39318.

Change-Id: Ibd39e8d6835e465b2ab5eebcc245e45db5d84deb
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43222
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/zork/chromeos.c

@@ -8,7 +8,6 @@
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	struct lb_gpio chromeos_gpios[] = {
-		{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
 		{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
 		{-1, ACTIVE_HIGH, 0, "power"},
 		{GPIO_EC_IN_RW, ACTIVE_HIGH, gpio_get(GPIO_EC_IN_RW),