[PATCH] Remove comment about IEEE80211_RADIOTAP_FCS

IEEE80211_RADIOTAP_FCS is obsolete and should not be used.  It's no
longer defined.  Remove it from the comment too.
Signed-off-by: NPavel Roskin <proski@gnu.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

include/net/ieee80211_radiotap.h

@@ -186,9 +186,6 @@ struct ieee80211_radiotap_header {
  *
  *     Number of unicast retries a transmitted frame used.
  *
- * IEEE80211_RADIOTAP_FCS           	__le32       data
- *
- *	FCS from frame in network byte order.
  */
 enum ieee80211_radiotap_type {
 	IEEE80211_RADIOTAP_TSFT = 0,