selftests/futex: Drop logging.h include from futex_numa

futex_numa doesn't really use logging.h helpers, it's only need two
includes from this file. So drop it and include the two missing
includes.

Signed-off-by: André Almeida <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>

tools/testing/selftests/futex/functional/futex_numa.c

···
 #include <sys/mman.h>
 #include <fcntl.h>
 #include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 #include <assert.h>
-#include "logging.h"
 #include "futextest.h"
 #include "futex2test.h"