net: dsa: vitesse-vsc73xx: 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 <[e-mail]>
Acked-by: Linus Walleij <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/dsa/vitesse-vsc73xx-platform.c

···
 
 	vsc73xx_remove(&vsc_platform->vsc);
 
-	platform_set_drvdata(pdev, NULL);
-
 	return 0;
 }
 

drivers/net/dsa/vitesse-vsc73xx-spi.c

···
 		return;
 
 	vsc73xx_remove(&vsc_spi->vsc);
-
-	spi_set_drvdata(spi, NULL);
 }
 
 static void vsc73xx_spi_shutdown(struct spi_device *spi)