libertas: clean up RSSI command

Convert to a full direct command; previous code rolled a direct
command by hand but left the original indirect command code intact
but disabled.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 2a0b590..cfd0af6 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -157,12 +157,7 @@
 	   to kick it somehow? */
 	lbs_host_to_card_done(priv);
 
-	/* More often than not, this actually happens because the
-	   firmware has crapped itself -- rather than just a very
-	   busy medium. So send a harmless command, and if/when
-	   _that_ times out, we'll kick it in the head. */
-	lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
-				     0, 0, NULL);
+	/* FIXME: reset the card */
 
 	lbs_deb_leave(LBS_DEB_TX);
 }