ALSA: ppc: 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>
diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c
index 350a7c8f..33c6be9 100644
--- a/sound/ppc/powermac.c
+++ b/sound/ppc/powermac.c
@@ -168,7 +168,6 @@
 	.remove		= snd_pmac_remove,
 	.driver		= {
 		.name	= SND_PMAC_DRIVER,
-		.owner	= THIS_MODULE,
 		.pm	= SND_PMAC_PM_OPS,
 	},
 };