ASoC: da732x: Remove superfluous DA732X_SOC_ENUM_DOUBLE_R()

It's nowhere used.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/da732x.h

@@ -113,9 +113,6 @@
 #define	DA732X_EQ_OVERALL_VOL_DB_MIN	-1800
 #define	DA732X_EQ_OVERALL_VOL_DB_INC	600
 
-#define DA732X_SOC_ENUM_DOUBLE_R(xreg, xrreg, xmax, xtext) \
-	{.reg = xreg, .reg2 = xrreg, .max = xmax, .texts = xtext}
-
 enum da732x_sysctl {
 	DA732X_SR_8KHZ		= 0x1,
 	DA732X_SR_11_025KHZ	= 0x2,