Cleaned prefab parser a lot

src/dawntools/prefabtool/PrefabTool.hpp

@@ -4,7 +4,7 @@
 // https://opensource.org/licenses/MIT
 
 #pragma once
-#include "PrefabParser.hpp"
+#include "PrefabGen.hpp"
 
 namespace Dawn {
   class PrefabTool : public DawnTool {
@@ -15,13 +15,4 @@ namespace Dawn {
     public:
       int32_t start();
   };
-
-  class PrefabGen : public CodeGen {
-    public:
-      static void generate(
-        std::vector<std::string> *out,
-        struct Prefab *prefab,
-        std::string tabs
-      );
-  };
 }