net: ethernet: broadcom: bcm63xx_enet: Drop empty platform remove function

A remove callback just returning 0 is equivalent to no remove callback
at all. So drop the useless function.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bcm63xx_enet.c

@@ -2784,17 +2784,11 @@ static int bcm_enet_shared_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int bcm_enet_shared_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
 /* this "shared" driver is needed because both macs share a single
  * address space
  */
 struct platform_driver bcm63xx_enet_shared_driver = {
 	.probe	= bcm_enet_shared_probe,
-	.remove	= bcm_enet_shared_remove,
 	.driver	= {
 		.name	= "bcm63xx_enet_shared",
 		.owner  = THIS_MODULE,