ASoC: soc.h: remove snd_soc_compr_ops :: trigger

ASoC framework is not using trigger call-back for snd_soc_compr_ops.
This patch remove it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87edmwj9m1.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc.h

@@ -633,7 +633,6 @@ struct snd_soc_compr_ops {
 	int (*startup)(struct snd_compr_stream *);
 	void (*shutdown)(struct snd_compr_stream *);
 	int (*set_params)(struct snd_compr_stream *);
-	int (*trigger)(struct snd_compr_stream *);
 };
 
 struct snd_soc_component*