phone.c: Removed redundant definition of PR
diff --git a/sam3s_example/simtrace/phone.c b/sam3s_example/simtrace/phone.c
index bb98c0e..7fc5e09 100644
--- a/sam3s_example/simtrace/phone.c
+++ b/sam3s_example/simtrace/phone.c
@@ -319,7 +319,6 @@
 
 extern ring_buffer buf;
 #define     MAX_MSG_LEN     64
-#define     PR              printf
 
 void wait_for_response(uint8_t pBuffer[]) {
     int ret = 0;