net: dsa: ocelot: remove unnecessary set_drvdata()

Remove unnecessary set_drvdata(NULL) function in ->remove(),
the driver_data will be set to NULL in device_unbind_cleanup()
after calling ->remove().
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/dsa/ocelot/felix_vsc9959.c

@@ -2727,8 +2727,6 @@ static void felix_pci_remove(struct pci_dev *pdev)
 	kfree(felix);
 
 	pci_disable_device(pdev);
-
-	pci_set_drvdata(pdev, NULL);
 }
 
 static void felix_pci_shutdown(struct pci_dev *pdev)

drivers/net/dsa/ocelot/seville_vsc9953.c

@@ -1153,8 +1153,6 @@ static int seville_remove(struct platform_device *pdev)
 	kfree(felix->ds);
 	kfree(felix);
 
-	platform_set_drvdata(pdev, NULL);
-
 	return 0;
 }