remove unused spinlock header

Author: WinterMute

gc/ogc/machine/spinlock.h

@@ -5,7 +5,6 @@
 #include <signal.h>
 #include "asm.h"
 #include "processor.h"
-#include "spinlock.h"
 #include "lwp.h"
 #include "lwp_threads.h"
 #include "context.h"

libdb/debug.c

@@ -34,12 +34,12 @@ distribution.
 #include "asm.h"
 #include "irq.h"
 #include "processor.h"
-#include "spinlock.h"
 #include "system.h"
 #include "exi.h"
 #include "gcutil.h"
-#include "lwp_queue.h"
 
+#include "lwp_watchdog.h"
+#include "lwp_queue.h"
 #include "lwp_queue.inl"
 
 //#define _EXI_DEBUG

libogc/exi.c

@@ -1,7 +1,6 @@
 #include <stdlib.h>
 #include "asm.h"
 #include "processor.h"
-#include "spinlock.h"
 #include "irq.h"
 #include "exi.h"
 #include "cache.h"