[media] pci: bt878: Remove redundant pci_set_drvdata

Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Acked-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/pci/bt8xx/bt878.c

@@ -563,7 +563,6 @@ static void bt878_remove(struct pci_dev *pci_dev)
 	bt->shutdown = 1;
 	bt878_mem_free(bt);
 
-	pci_set_drvdata(pci_dev, NULL);
 	pci_disable_device(pci_dev);
 	return;
 }