wlan: Fix for OSS build compilation issue

Do not include "wpa_ctrl.h" in qsap.c file to avoid compilation
errors on OSS builds.

Change-Id: Ie3afa0bc564a5b2d9c2245b85f4681b83c1d1644
CRs-Fixed: 758764
diff --git a/softap/sdk/qsap.c b/softap/sdk/qsap.c
index 9606845..38a7c84 100644
--- a/softap/sdk/qsap.c
+++ b/softap/sdk/qsap.c
@@ -54,7 +54,6 @@
 
 #include "qsap_api.h"
 #include "qsap.h"
-#include "libwpa_client/wpa_ctrl.h"
 
 #include <sys/system_properties.h>