Remove "z64" prefix from all headers (#2518)

* z64 - a

* z64 - b

* z64 - c

* z64 - d

* z64 - e

* z64 - f

* z64 - g

* z64 - h

* z64 - i

* z64 - l

* z64 - m

* z64 - o

* z64 - p

* z64 - q

* z64 - r

* z64 - s

* z64 - t

* z64 - v

* restore file

* fix merge

* fix merge

---------

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

src/code/audio_thread_manager.c

@@ -11,7 +11,7 @@
 #include "regs.h"
 #include "speed_meter.h"
 #include "translation.h"
-#include "z64dma.h"
+#include "dma.h"
 
 void AudioMgr_NotifyTaskDone(AudioMgr* audioMgr) {
     AudioTask* task = audioMgr->rspTask;