ASoC: soc.h: remove for_each_rtd_dais_rollback()

commit 140a4532 ("ASoC: soc-pcm: add soc_pcm_clean() and call it
from soc_pcm_open/close()") uses soc_pcm_clean() and then
for_each_rtd_dais_rollback() is no longer used.
This patch removes it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o8lpgqbp.wl-kuninori.morimoto.gx@renesas.com


Signed-off-by: Mark Brown <broonie@kernel.org>