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

* reduce z64.h size

* fix z_cheap_proc.inc.c

* ,bss

* remove temp delcaration

src/code/audio_thread_manager.c

@@ -5,7 +5,12 @@
  * and sending the audio rsp tasks generated by the driver to the task scheduler.
  */
 
-#include "global.h"
+#include "audiomgr.h"
+#include "regs.h"
+#include "speed_meter.h"
+#include "z64dma.h"
+
+#include "macros.h"
 
 void AudioMgr_NotifyTaskDone(AudioMgr* audioMgr) {
     AudioTask* task = audioMgr->rspTask;