General Cleanup 2 (#1538)

* Cleanup

* Cleanup variables.h

* Cleanup fault headers

* Some includes/headers cleanup

* Libultra btn wrappers

* Mark differences to original libultra headers

* Remove duplicate include in fault

* format

* Update include/PR/os_voice.h

Co-authored-by: Tom Overton <tom-overton@users.noreply.github.com>

* align

---------

Co-authored-by: Tom Overton <tom-overton@users.noreply.github.com>

src/code/z_quake.c

@@ -1,7 +1,8 @@
-#include "prevent_bss_reordering.h"
-#include "global.h"
-#include "libc/string.h"
 #include "z64quake.h"
+
+#include "libc/string.h"
+
+#include "global.h"
 #include "z64view.h"
 
 typedef struct {