ASoC: rt1011: remove unused variable 'dac_vol_tlv' and 'adc_vol_tlv'

sound/soc/codecs/rt1011.c:981:35: warning:
 dac_vol_tlv defined but not used [-Wunused-const-variable=]
sound/soc/codecs/rt1011.c:982:35: warning:
 adc_vol_tlv defined but not used [-Wunused-const-variable=]

They are never used, so can be removed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190815090602.9000-1-yuehaibing@huawei.com


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