Revert "Refine DebugHelper.h into Log.h."

This reverts commit b519fe3f1d780873608f41d69316054e05c7e918.
diff --git a/lib/ExecutionEngine/ObjectLoader.cpp b/lib/ExecutionEngine/ObjectLoader.cpp
index 8ec3dd2..1277e13 100644
--- a/lib/ExecutionEngine/ObjectLoader.cpp
+++ b/lib/ExecutionEngine/ObjectLoader.cpp
@@ -19,8 +19,8 @@
 #include <utils/FileMap.h>
 
 #include "bcc/ExecutionEngine/GDBJITRegistrar.h"
+#include "bcc/Support/DebugHelper.h"
 #include "bcc/Support/FileBase.h"
-#include "bcc/Support/Log.h"
 
 #include "ELFObjectLoaderImpl.h"