ASoC: meson: aiu: remove unused encoder structure

Remove an unused structure definition which slipped through the initial
driver submission.

Fixes: 6ae9ca9c ("ASoC: meson: aiu: add i2s and spdif support")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20200214131350.337968-2-jbrunet@baylibre.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/meson/aiu-encoder-i2s.c

@@ -28,13 +28,6 @@
 #define AIU_CLK_CTRL_MORE_I2S_DIV	GENMASK(5, 0)
 #define AIU_CODEC_DAC_LRCLK_CTRL_DIV	GENMASK(11, 0)
 
-struct aiu_encoder_i2s {
-	struct clk *aoclk;
-	struct clk *mclk;
-	struct clk *mixer;
-	struct clk *pclk;
-};
-
 static void aiu_encoder_i2s_divider_enable(struct snd_soc_component *component,
 					   bool enable)
 {