Refactor so GameModeBase is the runnable

Source/Integration/engineutil.hpp

@@ -6,9 +6,6 @@ namespace engineutil {
 // Load the DLL and initialize the wrapper, if possible.
 void init_wrapper(EngineWrapper* w);
 
-// Print text using GEngine->Add...
-void RawPrint(const char* text);
-
 // Print text on the console.
 void DPrint(const FString& fs);
 
@@ -19,10 +16,7 @@ void DPrint(const char* msg);
 void DPrintHook(const char* msg, size_t len);
 
 // Get all the stored dprints.
-const TArray<FString>& DPrintGetStored();
-
-// Clear the stored dprints.
-void DPrintClearStored();
+TArray<FString> DPrintGetStored();
 
 class ConsoleOutput {
 private: