Revert unnecessary bcb462ad87

This was SVN commit r7422.

source/scriptinterface/ScriptInterface.cpp

@@ -30,15 +30,7 @@
 #include <boost/preprocessor/punctuation/comma_if.hpp>
 #include <boost/preprocessor/repetition/repeat.hpp>
 
-#if OS_LINUX
-# define HAVE_VALGRIND 1
-#else
-# define HAVE_VALGRIND 0
-#endif
-
-#if HAVE_VALGRIND
 #include "valgrind.h"
-#endif
 
 const int RUNTIME_SIZE = 4 * 1024 * 1024; // TODO: how much memory is needed?
 const int STACK_CHUNK_SIZE = 8192;
@@ -84,9 +76,7 @@ void ErrorReporter(JSContext* UNUSED(cx), const char* message, JSErrorReport* re
 	else
 		LOGERROR(L"%hs", msg.str().c_str());
 	// When running under Valgrind, print more information in the error message
-#if HAVE_VALGRIND
 	VALGRIND_PRINTF_BACKTRACE("->");
-#endif
 }
 
 // Functions in the global namespace: