staging: wilc1000: remove unnecessary NULL check in clear_shadow_scan()

Cleanup patch to remove the unnecessary NULL check before freeing up ies
information in clear_shadow_scan().
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -165,10 +165,8 @@ static void clear_shadow_scan(void)
 		return;
 
 	for (i = 0; i < last_scanned_cnt; i++) {
-		if (last_scanned_shadow[i].ies) {
-			kfree(last_scanned_shadow[i].ies);
-			last_scanned_shadow[i].ies = NULL;
-		}
+		kfree(last_scanned_shadow[i].ies);
+		last_scanned_shadow[i].ies = NULL;
 
 		kfree(last_scanned_shadow[i].join_params);
 		last_scanned_shadow[i].join_params = NULL;