modules/{acc,cdp}: allows big endian build

src/modules/acc/diam_message.h

@@ -74,7 +74,6 @@
 	#define ST_MSG_CODE      0x13010000
 	#define MASK_MSG_CODE    0xffffff00
 #else
-	#error BIG endian detected!!
 	#define AS_MSG_CODE      0x00000112
 	#define AC_MSG_CODE      0x0000010f
 	#define CE_MSG_CODE      0x00000101

src/modules/cdp/diameter.h

@@ -115,7 +115,6 @@
 	#define ST_MSG_CODE      0x13010000
 	#define MASK_MSG_CODE    0xffffff00
 #else
-	#error BIG endian detected!!
 	#define AS_MSG_CODE      0x00000112
 	#define AC_MSG_CODE      0x0000010f
 	#define CE_MSG_CODE      0x00000101