ALSA: oxfw: remove needless member from private structure

In former commit, 'struct device_info' is obsoleted, whereas private
structure still keeps a pointer to it.

This commit remove the member.

d6ce6bb('ALSA: oxfw: rename a structure so that it means backward compatibility to old drivers')

Signed-off-by: Takashi Sakamoto <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>

Author: takaswie

sound/firewire/oxfw/oxfw.h

@@ -36,7 +36,6 @@
 struct snd_oxfw {
 	struct snd_card *card;
 	struct fw_unit *unit;
-	const struct device_info *device_info;
 	struct mutex mutex;
 	spinlock_t lock;