video: savagefb: 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/savage/savagefb_driver.c

@@ -2362,12 +2362,6 @@ static void savagefb_remove(struct pci_dev *dev)
 		kfree(info->pixmap.addr);
 		pci_release_regions(dev);
 		framebuffer_release(info);
-
-		/*
-		 * Ensure that the driver data is no longer
-		 * valid.
-		 */
-		pci_set_drvdata(dev, NULL);
 	}
 }