build system: Drop another vboot1 remnant

The vboot stage is now done totally different,
as a real stage, and handled in the right location
(src/vendorcode/google/chromeos/vboot2/Makefile.inc),
so drop this vboot1 file.

Change-Id: Ie9a4ae257c2702ddcd217f5b4ef8d8f22b5099f4
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10040
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed