ALSA: hda - fixup input_free_device called after input_unregister_device

Input_unregister_device will internally free the device, so
input_free_device should not be called.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -3548,7 +3548,6 @@ static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec,
 		break;
 	case HDA_FIXUP_ACT_FREE:
 		input_unregister_device(spec->kb_dev);
-		input_free_device(spec->kb_dev);
 		spec->kb_dev = NULL;
 	}
 #endif