Move CVar* into Metaforce to begin removal of hecl's Dataspec

Runtime/Tweaks/ITweak.hpp

@@ -1,19 +1,18 @@
 #pragma once
 
 // Gonna need these in all the tweaks anyway, so we'll include them here
-#include "zeus/zeus.hpp"
 #include "Runtime/GCNTypes.hpp"
 
-namespace hecl {
-class CVarManager;
-}
+#include "zeus/zeus.hpp"
 
 namespace metaforce {
+class CVar;
+class CVarManager;
 class CInputStream;
 class COutputStream;
 class ITweak {
 public:
   virtual ~ITweak() = default;
-  virtual void initCVars(hecl::CVarManager*) {}
+  virtual void initCVars(CVarManager*) {}
 };
 } // namespace metaforce