misc: eeprom_93xx46: remove unnecessary spi_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: Jingoo Han <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/misc/eeprom/eeprom_93xx46.c

···
 		device_remove_file(&spi->dev, &dev_attr_erase);
 
 	sysfs_remove_bin_file(&spi->dev.kobj, &edev->bin);
-	spi_set_drvdata(spi, NULL);
 	kfree(edev);
 	return 0;
 }