mfd: arizona: Remove some duplicate defines

Some duplicate defines seem to have snuck into the registers file, this
patch simply removes them.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/mfd/arizona/registers.h

@@ -856,12 +856,6 @@
 #define ARIZONA_ISRC1INT4MIX_INPUT_1_SOURCE      0xB38
 #define ARIZONA_ISRC2DEC1MIX_INPUT_1_SOURCE      0xB40
 #define ARIZONA_ISRC2DEC2MIX_INPUT_1_SOURCE      0xB48
-#define ARIZONA_ISRC2INT1MIX_INPUT_1_SOURCE      0xB60
-#define ARIZONA_ISRC2INT2MIX_INPUT_1_SOURCE      0xB68
-#define ARIZONA_ISRC1INT3MIX_INPUT_1_SOURCE      0xB30
-#define ARIZONA_ISRC1INT4MIX_INPUT_1_SOURCE      0xB38
-#define ARIZONA_ISRC2DEC1MIX_INPUT_1_SOURCE      0xB40
-#define ARIZONA_ISRC2DEC2MIX_INPUT_1_SOURCE      0xB48
 #define ARIZONA_ISRC2DEC3MIX_INPUT_1_SOURCE      0xB50
 #define ARIZONA_ISRC2DEC4MIX_INPUT_1_SOURCE      0xB58
 #define ARIZONA_ISRC2INT1MIX_INPUT_1_SOURCE      0xB60