ASoC: msm8916-wcd-digital: remove few unused variables

This patch removes unused variables which also fixes below warnings:

msm8916-wcd-digital.c:245:30: warning: 'rx2_mix2_inp1_chain_enum'
defined but not used [-Wunused-const-variable=]
static const struct soc_enum rx2_mix2_inp1_chain_enum = SOC_ENUM_SINGLE(
                              ^~~~~~~~~~~~~~~~~~~~~~~~
msm8916-wcd-digital.c:234:30: warning: 'rx_mix2_inp1_chain_enum'
defined but not used [-Wunused-const-variable=]
 static const struct soc_enum rx_mix2_inp1_chain_enum = SOC_ENUM_SINGLE(
                              ^~~~~~~~~~~~~~~~~~~~~~~
msm8916-wcd-digital.c:224:26: warning: 'adc2_mux_text'
defined but not used [-Wunused-const-variable=]
 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
                          ^~~~~~~~~~~~~
msm8916-wcd-digital.c:223:26: warning: 'rx_mix2_text'
defined but not used [-Wunused-const-variable=]
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/msm8916-wcd-digital.c

@@ -220,8 +220,6 @@ static const char *const dec_mux_text[] = {
 };
 
 static const char *const cic_mux_text[] = { "AMIC", "DMIC" };
-static const char *const rx_mix2_text[] = { "ZERO", "IIR1", "IIR2" };
-static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
 
 /* RX1 MIX1 */
 static const struct soc_enum rx_mix1_inp_enum[] = {
@@ -230,10 +228,6 @@ static const struct soc_enum rx_mix1_inp_enum[] = {
 	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B2_CTL, 0, 6, rx_mix1_text),
 };
 
-/* RX1 MIX2 */
-static const struct soc_enum rx_mix2_inp1_chain_enum = SOC_ENUM_SINGLE(
-				LPASS_CDC_CONN_RX1_B3_CTL, 0, 3, rx_mix2_text);
-
 /* RX2 MIX1 */
 static const struct soc_enum rx2_mix1_inp_enum[] = {
 	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 0, 6, rx_mix1_text),
@@ -241,10 +235,6 @@ static const struct soc_enum rx2_mix1_inp_enum[] = {
 	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B2_CTL, 0, 6, rx_mix1_text),
 };
 
-/* RX2 MIX2 */
-static const struct soc_enum rx2_mix2_inp1_chain_enum = SOC_ENUM_SINGLE(
-				LPASS_CDC_CONN_RX2_B3_CTL, 0, 3, rx_mix2_text);
-
 /* RX3 MIX1 */
 static const struct soc_enum rx3_mix1_inp_enum[] = {
 	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 0, 6, rx_mix1_text),