ASoC: dapm: Remove delayed_work from dapm context struct

The delayed_work field in the snd_soc_dapm_context struct is now unused and
can be removed. Removing it reduces the size of the snd_soc_dapm_context
struct by ~50% from 100 bytes to 48 bytes.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-dapm.h

@@ -586,7 +586,6 @@ struct snd_soc_dapm_update {
 /* DAPM context */
 struct snd_soc_dapm_context {
 	enum snd_soc_bias_level bias_level;
-	struct delayed_work delayed_work;
 	unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
 	/* Go to BIAS_OFF in suspend if the DAPM context is idle */
 	unsigned int suspend_bias_off:1;