ASoC: soc-dai.h: remove unused call back functions

Now, all drivers are using ops call backs.
Let's remove unused other call back functions.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87cyzx9m4o.wl-kuninori.morimoto.gx@renesas.com


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