net: nixge: Get rid of unused struct member 'last_link'

Get rid of unused struct member 'last_link'
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ni/nixge.c

@@ -155,7 +155,6 @@ struct nixge_priv {
 
 	int tx_irq;
 	int rx_irq;
-	u32 last_link;
 
 	/* Buffer descriptors */
 	struct nixge_hw_dma_bd *tx_bd_v;