staging/rtl8192u: remove commented out __list_for_each usage

Also remove another commented out open-coded list manipulation while we're there.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c

@@ -454,8 +454,7 @@ static int is_duplicate_packet(struct ieee80211_device *ieee,
 		struct ieee_ibss_seq *entry = NULL;
 		u8 *mac = header->addr2;
 		int index = mac[5] % IEEE_IBSS_MAC_HASH_SIZE;
-		//for (pos = (head)->next; pos != (head); pos = pos->next)
-		//__list_for_each(p, &ieee->ibss_mac_hash[index]) {
+
 		list_for_each(p, &ieee->ibss_mac_hash[index]) {
 			entry = list_entry(p, struct ieee_ibss_seq, list);
 			if (!memcmp(entry->mac, mac, ETH_ALEN))