e1000: remove redundant assignment

Signed-off-by: David Mueller <d.mueller@elsoft.ch>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 9a66e68..9d9b259 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -4532,7 +4532,6 @@
 			hw->mac_type == e1000_82547 ||
 			hw->mac_type == e1000_82547_rev_2) {
 			hw->phy_type = e1000_phy_igp;
-			hw->phy_type = e1000_phy_igp;
 			break;
 		}
 	case IGP03E1000_E_PHY_ID: