s390/numa: remove superfluous ARCH_WANT defines

The NUMA system call "__ARCH_WANT" defines are not used by the
Linux kernel, therefore remove them.

Fixes: 9df62adffeb0 ("s390/numa: add core infrastructure")
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/include/asm/unistd.h

@@ -11,13 +11,6 @@
 
 #define __IGNORE_time
 
-/* NUMA system calls */
-#define  _ARCH_WANT_mbind
-#define __ARCH_WANT_get_mempolicy
-#define __ARCH_WANT_set_mempolicy
-#define __ARCH_WANT_migrate_pages
-#define __ARCH_WANT_move_pages
-
 /* Ignore system calls that are also reachable via sys_socketcall */
 #define __IGNORE_recvmmsg
 #define __IGNORE_sendmmsg