iwlagn: remove the indirection for update_chain_flags

Not needed since the driver split.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index cfe945c..c7102bb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1724,8 +1724,7 @@
 	if (test_bit(STATUS_SCAN_HW, &priv->status))
 		goto out;
 
-	if (priv->cfg->ops->lib->update_chain_flags)
-		priv->cfg->ops->lib->update_chain_flags(priv);
+	iwl_update_chain_flags(priv);
 
 	if (smps_request != -1) {
 		priv->current_ht_config.smps = smps_request;