security: Remove unnecessary inclusions of asm/semaphore.h

None of these files use any of the functionality promised by
asm/semaphore.h.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>

security/selinux/selinuxfs.c

@@ -28,7 +28,6 @@
 #include <linux/percpu.h>
 #include <linux/audit.h>
 #include <asm/uaccess.h>
-#include <asm/semaphore.h>
 
 /* selinuxfs pseudo filesystem for exporting the security policy API.
    Based on the proc code and the fs/nfsd/nfsctl.c code. */

security/selinux/ss/conditional.c

@@ -11,7 +11,6 @@
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/spinlock.h>
-#include <asm/semaphore.h>
 #include <linux/slab.h>
 
 #include "security.h"

security/selinux/xfrm.c

@@ -45,7 +45,6 @@
 #include <net/xfrm.h>
 #include <net/checksum.h>
 #include <net/udp.h>
-#include <asm/semaphore.h>
 #include <asm/atomic.h>
 
 #include "avc.h"