arm: exynos: remove the unused define.

These defines didn't use anywhere.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/include/asm/arch-exynos/dwmmc.h

@@ -6,10 +6,6 @@
  */
 
 #define DWMCI_CLKSEL		0x09C
-#define DWMCI_SHIFT_0		0x0
-#define DWMCI_SHIFT_1		0x1
-#define DWMCI_SHIFT_2		0x2
-#define DWMCI_SHIFT_3		0x3
 #define DWMCI_SET_SAMPLE_CLK(x)	(x)
 #define DWMCI_SET_DRV_CLK(x)	((x) << 16)
 #define DWMCI_SET_DIV_RATIO(x)	((x) << 24)