message: Obsolete includes
diff: #ifndef VSNRAY_AREA_LIGHT_H
  #define VSNRAY_AREA_LIGHT_H 1
  -#include <cstddef>
  -
  #include "detail/macros.h"
  -#include "math/array.h"
  #include "math/vector.h"
  #include "light_sample.h"
  