Staging:rtl8188eu: fix kfree(NULL) is safe this check is probably not required in rtw_ap.c

Fix checkpatch.pl issues with kfree(NULL) is safe this
check is probably not required in rtw_ap.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_ap.c

@@ -1339,7 +1339,6 @@ static void update_bcn_wps_ie(struct adapter *padapter)
 		pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
 	}
 
-	if (pbackup_remainder_ie)
 	kfree(pbackup_remainder_ie);
 }