Yet another header cleanup (#1508)

* lights.c

* z64skin_matrix.h

* Move out some stuff from macros.h

* gamealloc.h

* move most transition functions to z64transition.h

* z64lib.h

* `include` cleanup on transition files

* z_overlay cleanup

* z64malloc.h

* format

* forgot to remove those

* forgot this

* fix borken includes

src/code/z_camera.c

@@ -45,6 +45,7 @@
 
 #include "global.h"
 #include "libc/string.h"
+#include "z64malloc.h"
 #include "z64quake.h"
 #include "z64shrink_window.h"
 #include "z64view.h"