platform/x86: panasonic-laptop: remove redundant assignment of variable result

The variable result is being assigned a value that is never
read and it is being updated later with a new value. The
assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210326192022.623001-1-colin.king@canonical.com


Signed-off-by: Hans de Goede <hdegoede@redhat.com>