android: binder: Fix duplicate included asm/pgtable.h

Clean up the following includecheck warning:

drivers/android/binder.c: binder_trace.h is included more than once.

No functional change.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>

drivers/android/binder.c

@@ -72,7 +72,6 @@
 #include <linux/cacheflush.h>
 
 #include "binder_internal.h"
-#include "binder_trace.h"
 
 static HLIST_HEAD(binder_deferred_list);
 static DEFINE_MUTEX(binder_deferred_lock);