Update drv_sound.c

bsp/bluetrum/ab32vg1-ab-prougen/board/ports/audio/drv_sound.c

@@ -388,8 +388,6 @@ static rt_err_t sound_stop(struct rt_audio_device *audio, int stream)
 
     if (stream == AUDIO_STREAM_REPLAY)
     {
-        // DACDIGCON0 = 0;
-        // AUBUFCON &= ~BIT(4);
         LOG_D("close sound device");
     }