Remove unnecessary header file inclusion

Commit bfc62fe1331da4eca6dec70133c5d4cd1d6bc958 moved the code that
using crypto/random.h, but forgot to remove the inclusion of that header
file.

Signed-hostap: Jouni Malinen <j@w1.fi>

src/ap/wps_hostapd.c

@@ -13,7 +13,6 @@
 #include "utils/uuid.h"
 #include "crypto/dh_groups.h"
 #include "crypto/dh_group5.h"
-#include "crypto/random.h"
 #include "common/wpa_ctrl.h"
 #include "common/ieee802_11_defs.h"
 #include "common/ieee802_11_common.h"