ALSA: fireworks: don't set XRUN in stop streaming

When stopping packet streaming, no need to stop PCM substream with XRUN
state. This commit suppresses it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/firewire/fireworks/fireworks_stream.c

@@ -43,7 +43,6 @@ end:
 static void
 stop_stream(struct snd_efw *efw, struct amdtp_stream *stream)
 {
-	amdtp_stream_pcm_abort(stream);
 	amdtp_stream_stop(stream);
 
 	if (stream == &efw->tx_stream)