ALSA: drivers: mpu401: drop owner assignment from platform_drivers

A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

sound/drivers/mpu401/mpu401.c

@@ -140,7 +140,6 @@ static struct platform_driver snd_mpu401_driver = {
 	.remove		= snd_mpu401_remove,
 	.driver		= {
 		.name	= SND_MPU401_DRIVER,
-		.owner	= THIS_MODULE,
 	},
 };