media: staging: media: atomisp: Remove unnecessary if statement

The bodies of the if and else sections are the same, so just remove the
check.

Link: https://lore.kernel.org/linux-media/20201017142810.26967-2-alex.dewar90@gmail.com


Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>