ASoC: wm8753: Remove unused DAI ID defines

The DAI ID defines are back from the time when DAIs were referenced by a
numerical ID. These days a string is used for matching instead and the
defines are unused. These particular IDs were never used and presumably
never will be, so remove them.
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Acked-by: NCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/wm8753.h

@@ -112,7 +112,4 @@
 #define WM8753_VXCLK_DIV_8	(3 << 6)
 #define WM8753_VXCLK_DIV_16	(4 << 6)
 
-#define WM8753_DAI_HIFI		0
-#define WM8753_DAI_VOICE		1
-
 #endif