[ALSA] Remove unneeded read/write_size fields in proc text ops

Remove unneeded read/write_size fields in proc text ops.
snd_info_set_text_ops() is fixed, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 3c1bc53..75a8b75 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -1805,7 +1805,7 @@
 	struct snd_info_entry *entry;
 
 	if (! snd_card_proc_new(rme96->card, "rme96", &entry))
-		snd_info_set_text_ops(entry, rme96, 1024, snd_rme96_proc_read);
+		snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
 }
 
 /*