ASoC: codecs: cx2072x: remove unused struct 'cx2072x_eq_ctrl'

'cx2072x_eq_ctrl' has been unused since the original
commit a497a436 ("ASoC: Add support for Conexant CX2072X CODEC").

Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://msgid.link/r/20240601225446.183505-4-linux@treblig.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cx2072x.c

@@ -63,11 +63,6 @@ static const DECLARE_TLV_DB_SCALE(adc_tlv, -7400, 100, 0);
 static const DECLARE_TLV_DB_SCALE(dac_tlv, -7400, 100, 0);
 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 1200, 0);
 
-struct cx2072x_eq_ctrl {
-	u8 ch;
-	u8 band;
-};
-
 static const DECLARE_TLV_DB_RANGE(hpf_tlv,
 	0, 0, TLV_DB_SCALE_ITEM(120, 0, 0),
 	1, 63, TLV_DB_SCALE_ITEM(30, 30, 0)