iwlegacy: remove unecessary if statement

the code always returns ret regardless, so if(ret) check is unecessary.
Signed-off-by: NGreg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlegacy/iwl-4965.c

@@ -1185,8 +1185,6 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv,
 
 	ret = iwl_legacy_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
 				     sizeof(rxon_assoc), &rxon_assoc, NULL);
-	if (ret)
-		return ret;
 
 	return ret;
 }