media: atomisp: Remove unused header

There are some unused definitions that are using macros from
math_support.h. In order to have cleaner future changes, remove them first.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250519155028.526453-2-andriy.shevchenko@linux.intel.com


Reviewed-by: Hans de Goede <hansg@kernel.org>
Tested-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>