ASoC: max98371: remove unused variable 'max98371_noload_gain_tlv'

sound/soc/codecs/max98371.c:157:35: warning:
 max98371_noload_gain_tlv defined but not used [-Wunused-const-variable=]

It is never used, so can be removed.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190815090404.72752-1-yuehaibing@huawei.com


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