ALSA: hda - Avoid doubly beep attachment in patch_alc268()

Remove the doubly attachment in patch_alc268().
The input beep is attached conditionally only when needed.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -12100,12 +12100,6 @@ static int patch_alc268(struct hda_codec *codec)
 		}
 	}
 
-	err = snd_hda_attach_beep_device(codec, 0x1);
-	if (err < 0) {
-		alc_free(codec);
-		return err;
-	}
-
 	if (board_config != ALC268_AUTO)
 		setup_preset(spec, &alc268_presets[board_config]);