ASoC: qcom: q6apm-dai: drop unused 'q6apm_dai_rtd' fields

Remove few unused fields from 'struct q6apm_dai_rtd'.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240430140954.328127-1-krzysztof.kozlowski@linaro.org


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