ENCX24J600: Remove poll for new TX data from TX done interrupt handling

ChangeLog

@@ -5649,5 +5649,7 @@
 	  multiple NICs are supported.  From Max Holtzberg (2013-9-27).
 	* net/send.c:  Fix some backward conditional logic in check
 	  to see if we should check if the ARP address in the table.  From
-	  Max Holzberg (2013-9-27).
-
+	  Max Holtzberg (2013-9-27).
+	* drivers/net/encx24j600.c:  Removed logic that polls for the
+	  next outgoing packet from the TX done interrupt handling.  From
+	  Max Holtzberg (2013-9-27)

drivers/net/encx24j600.c

@@ -1289,10 +1289,6 @@ static void enc_txif(FAR struct enc_driver_s *priv)
 
       enc_transmit(priv);
     }
-
-  /* Then poll uIP for new XMIT data */
-
-  (void)uip_poll(&priv->dev, enc_uiptxpoll);
 }
 
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