[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/intel8x0m.c b/sound/pci/intel8x0m.c
index 720635f..20acb1a 100644
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -1092,7 +1092,7 @@
 	struct snd_info_entry *entry;
 
 	if (! snd_card_proc_new(chip->card, "intel8x0m", &entry))
-		snd_info_set_text_ops(entry, chip, 1024, snd_intel8x0m_proc_read);
+		snd_info_set_text_ops(entry, chip, snd_intel8x0m_proc_read);
 }
 #else /* !CONFIG_PROC_FS */
 #define snd_intel8x0m_proc_init(chip)