video: neofb: remove unnecessary pci_set_drvdata()

The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/neofb.c

@@ -2146,12 +2146,6 @@ static void neofb_remove(struct pci_dev *dev)
 		fb_destroy_modedb(info->monspecs.modedb);
 		neo_unmap_mmio(info);
 		neo_free_fb_info(info);
-
-		/*
-		 * Ensure that the driver data is no longer
-		 * valid.
-		 */
-		pci_set_drvdata(dev, NULL);
 	}
 }