ALSA: hda: generic: Drop unused snd_hda_gen_fixup_micmute_led()

The fixup function is no longer used.  Let's drop.
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200618110842.27238-7-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -4026,29 +4026,6 @@ int snd_hda_gen_add_micmute_led(struct hda_codec *codec,
 }
 EXPORT_SYMBOL_GPL(snd_hda_gen_add_micmute_led);
 
-/**
- * snd_hda_gen_fixup_micmute_led - A fixup for mic-mute LED trigger
- *
- * Pass this function to the quirk entry if another driver supports the
- * audio mic-mute LED trigger.  Then this will bind the mixer capture switch
- * change with the LED.
- *
- * Note that this fixup has to be called after other fixup that sets
- * cap_sync_hook.  Otherwise the chaining wouldn't work.
- *
- * @codec: the HDA codec
- * @fix: fixup pointer
- * @action: only supports HDA_FIXUP_ACT_PROBE value
- *
- */
-void snd_hda_gen_fixup_micmute_led(struct hda_codec *codec,
-				   const struct hda_fixup *fix, int action)
-{
-	if (action == HDA_FIXUP_ACT_PROBE)
-		snd_hda_gen_add_micmute_led(codec, NULL);
-}
-EXPORT_SYMBOL_GPL(snd_hda_gen_fixup_micmute_led);
-
 /**
  * snd_dha_gen_add_micmute_led_cdev - Create a LED classdev and enable as mic-mute LED
  * @codec: the HDA codec

sound/pci/hda/hda_generic.h

@@ -357,8 +357,6 @@ int snd_hda_gen_fix_pin_power(struct hda_codec *codec, hda_nid_t pin);
 
 int snd_hda_gen_add_micmute_led(struct hda_codec *codec,
 				void (*hook)(struct hda_codec *));
-void snd_hda_gen_fixup_micmute_led(struct hda_codec *codec,
-				   const struct hda_fixup *fix, int action);
 int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec,
 				     int (*callback)(struct led_classdev *,
 						     enum led_brightness));