mac80211: remove "bcn_int" and "capab" scan results info

These bits were dead code before "mac80211: Remove local->scan_flags"
(commit 6681dd3fd0e4d36a4547415853e83411baa7b705) and probably should
have been removed as part of that commit.
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/mac80211/ieee80211_sta.c

@@ -3260,31 +3260,6 @@ ieee80211_sta_scan_result(struct net_device *dev,
 		}
 	}
 
-	do {
-		char *buf;
-
-		buf = kmalloc(100, GFP_ATOMIC);
-		if (!buf)
-			break;
-
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = IWEVCUSTOM;
-		sprintf(buf, "bcn_int=%d", bss->beacon_int);
-		iwe.u.data.length = strlen(buf);
-		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
-						  buf);
-
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = IWEVCUSTOM;
-		sprintf(buf, "capab=0x%04x", bss->capability);
-		iwe.u.data.length = strlen(buf);
-		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
-						  buf);
-
-		kfree(buf);
-		break;
-	} while (0);
-
 	return current_ev;
 }