qcacld-3.0: Remove qdf_util.h from osif_sync

Now that qdf_status_to_os_return() has moved to qdf_status.h in
Iaa2efa5f662be014a61a8490c3fab411ec0f2054, remove references to
qdf_util.h from osif_sync.

Change-Id: I42e70c8ac1a29ebba6d00994a12b96076684c403
CRs-Fixed: 2397508

os_if/sync/src/osif_psoc_sync.c

@@ -22,7 +22,6 @@
 #include "qdf_lock.h"
 #include "qdf_status.h"
 #include "qdf_types.h"
-#include "qdf_util.h"
 #include "wlan_dsc_driver.h"
 #include "wlan_dsc_psoc.h"
 #include "wlan_dsc_vdev.h"

os_if/sync/src/osif_vdev_sync.c

@@ -24,7 +24,6 @@
 #include "qdf_lock.h"
 #include "qdf_status.h"
 #include "qdf_types.h"
-#include "qdf_util.h"
 
 /**
  * struct osif_vdev_sync - a vdev synchronization context