media: atomisp: Remove unused declaration

v4l2_get_acpi_sensor_info() has been removed since commit d80be6a1
("media: atomisp: Drop v4l2_get_acpi_sensor_info() function"), remain
the declaration untouched in the header file. So, let's remove this
unused declartion.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Reviewed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://lore.kernel.org/r/20240830030035.15686-1-zhangzekun11@huawei.com


Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>