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

sound/soc/codecs/max98371.c

@@ -154,10 +154,6 @@ static const DECLARE_TLV_DB_RANGE(max98371_gain_tlv,
 	8, 10, TLV_DB_SCALE_ITEM(400, 100, 0)
 );
 
-static const DECLARE_TLV_DB_RANGE(max98371_noload_gain_tlv,
-	0, 11, TLV_DB_SCALE_ITEM(950, 100, 0),
-);
-
 static const DECLARE_TLV_DB_SCALE(digital_tlv, -6300, 50, 1);
 
 static const struct snd_kcontrol_new max98371_snd_controls[] = {