82802ab.c: Remove duplicated check

Change-Id: I5d511d7ec254bdbd9926e6d8efc308fb2339cb81
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/38661


Reviewed-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>