media: atomisp: cleanup ifdefs from ia_css_debug.c

There are lots of code dependency there. Get rid of most of
them.

We can't remove everything, as there are some structs that
are conditionally built if ISP2401. So, keep ifdefs only
on such cases.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/atomisp/pci/runtime/debug/interface/ia_css_debug.h

@@ -158,12 +158,6 @@ void ia_css_debug_set_dtrace_level(
  */
 unsigned int ia_css_debug_get_dtrace_level(void);
 
-/*! @brief Dump input formatter state.
- * Dumps the input formatter state to tracing output.
- * @return	None
- */
-void ia_css_debug_dump_if_state(void);
-
 /*! @brief Dump isp hardware state.
  * Dumps the isp hardware state to tracing output.
  * @return	None