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

* reduce z64.h size

* fix z_cheap_proc.inc.c

* ,bss

* remove temp delcaration

src/code/z_scene.c

@@ -1,9 +1,16 @@
-#include "global.h"
+#include "regs.h"
+#include "romfile.h"
 #include "seqcmd.h"
+#include "segment_symbols.h"
+#include "segmented_address.h"
 #include "terminal.h"
 #include "versions.h"
 #include "z_actor_dlftbls.h"
+#include "z_lib.h"
+#include "z64play.h"
+#include "z64player.h"
 #include "z64save.h"
+#include "z64scene.h"
 
 SceneCmdHandlerFunc sSceneCmdHandlers[SCENE_CMD_ID_MAX];
 RomFile sNaviQuestHintFiles[];