Remove unused #define.

This file doesn't use the constants, the global build flags were already
providing this workaround anyway, and none of our host/device libcs
require it any more.

Test: treehugger
Change-Id: I6b4e6eddebbba2f004527f330e454a07a050a696
diff --git a/media/libaudioprocessing/AudioResamplerSinc.cpp b/media/libaudioprocessing/AudioResamplerSinc.cpp
index f2c386d..1a08a03 100644
--- a/media/libaudioprocessing/AudioResamplerSinc.cpp
+++ b/media/libaudioprocessing/AudioResamplerSinc.cpp
@@ -17,7 +17,6 @@
 #define LOG_TAG "AudioResamplerSinc"
 //#define LOG_NDEBUG 0
 
-#define __STDC_CONSTANT_MACROS
 #include <malloc.h>
 #include <pthread.h>
 #include <string.h>