More work on moving engine into dlmalloc heap

luprex/core/cpp/lpxclient.cpp

@@ -1,15 +1,15 @@
-#include "wrap-memory.hpp"
 #include "wrap-string.hpp"
 #include "wrap-vector.hpp"
 
 #include "drivenengine.hpp"
-#include "lpxclient.hpp"
 #include "world.hpp"
 #include "luaconsole.hpp"
 #include "invocation.hpp"
 #include "util.hpp"
 #include "printbuffer.hpp"
 
+#include <memory>
+
 class LpxClient : public DrivenEngine {
 public:
     using StringVec = LuaConsole::StringVec;
@@ -282,7 +282,5 @@ public:
     }
 };
 
-UniqueDrivenEngine make_LpxClient() {
-    return UniqueDrivenEngine(new LpxClient);
-}
+DrivenEngineDefine("lpxclient", LpxClient);