staging: fsl-dpaa2/eth: Remove pointless instruction

We don't need to call dev_set_drvdata(dev, NULL) on driver
remove since core kernel code also performs this step.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c

@@ -2676,7 +2676,6 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev)
 
 	fsl_mc_portal_free(priv->mc_io);
 
-	dev_set_drvdata(dev, NULL);
 	free_netdev(net_dev);
 
 	dev_dbg(net_dev->dev.parent, "Removed interface %s\n", net_dev->name);