Fix Cheat Manager not saving created codes

Source/Core/Core/ActionReplay.cpp

@@ -933,9 +933,4 @@ bool RunCode(const ARCode &arcode)
 	return true;
 }
 
-std::vector<ARCode>* GetARCodes()
-{
-	return &arCodes;
-}
-
 } // namespace ActionReplay

Source/Core/Core/ActionReplay.h

@@ -40,5 +40,4 @@ void UpdateActiveList();
 void EnableSelfLogging(bool enable);
 const std::vector<std::string> &GetSelfLog();
 bool IsSelfLogging();
-std::vector<ARCode>* GetARCodes();
 }  // namespace