Reduce dependencies on global.h (10) (#2490)

* reduce z64.h size

* fix z_cheap_proc.inc.c

* ,bss

* remove temp delcaration

src/code/z_skelanime.c

@@ -1,5 +1,17 @@
-#include "global.h"
+#include "libu64/debug.h"
+#include "gfx.h"
+#include "regs.h"
+#include "segmented_address.h"
+#include "segment_symbols.h"
+#include "sys_matrix.h"
 #include "terminal.h"
+#include "z_lib.h"
+#include "zelda_arena.h"
+#include "z64animation.h"
+#include "z64animation_legacy.h"
+#include "z64play.h"
+
+#include "macros.h"
 
 #define ANIM_INTERP 1