can: xilinx_can: xcan_remove(): remove redundant netif_napi_del()

Since netif_napi_del() is already done in the free_candev(), we remove
this redundant netif_napi_del() invocation. In addition, this patch
can match the operations in the xcan_probe() and xcan_remove()
functions.

Link: https://lore.kernel.org/all/20211017125022.3100329-1-mudongliangabcd@gmail.com
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/xilinx_can.c

@@ -1843,11 +1843,9 @@ static int xcan_probe(struct platform_device *pdev)
 static int xcan_remove(struct platform_device *pdev)
 {
 	struct net_device *ndev = platform_get_drvdata(pdev);
-	struct xcan_priv *priv = netdev_priv(ndev);
 
 	unregister_candev(ndev);
 	pm_runtime_disable(&pdev->dev);
-	netif_napi_del(&priv->napi);
 	free_candev(ndev);
 
 	return 0;