vboot: Remove VB2_SCREEN_TOUCHPAD_SYNC from vb2_screen

The touchpad sync screen is rendered in kernel instead of firmware, so
remove it from enum vb2_screen.

BRANCH=none
BUG=none
TEST=USE="menu_ui" emerge-nami depthcharge

Change-Id: I5929ecec51bee1aa36d6abf04bb733fde46ac29c
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2148552
Reviewed-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Joel Kitching <kitching@chromium.org>
diff --git a/firmware/2lib/include/2api.h b/firmware/2lib/include/2api.h
index fbbb80e..290c7ab 100644
--- a/firmware/2lib/include/2api.h
+++ b/firmware/2lib/include/2api.h
@@ -1148,8 +1148,6 @@
 	VB2_SCREEN_BLANK			= 0x0,
 	/* Wait screen for EC sync and AUXFW sync */
 	VB2_SCREEN_FIRMWARE_SYNC		= 0x10,
-	/* Wait screen for touchpad sync */
-	VB2_SCREEN_TOUCHPAD_SYNC		= 0x11,
 };
 
 /**