[ALSA] unexport snd_ctl_elem_{read,write}

snd_ctl_elem_{read,write} no longer have any modular users

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/core/control.c b/sound/core/control.c
index 396e98e..6144d8a 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -716,8 +716,6 @@
 	return result;
 }
 
-EXPORT_SYMBOL(snd_ctl_elem_read);
-
 static int snd_ctl_elem_read_user(struct snd_card *card,
 				  struct snd_ctl_elem_value __user *_control)
 {
@@ -781,8 +779,6 @@
 	return result;
 }
 
-EXPORT_SYMBOL(snd_ctl_elem_write);
-
 static int snd_ctl_elem_write_user(struct snd_ctl_file *file,
 				   struct snd_ctl_elem_value __user *_control)
 {