Remove redundancy about tokens in json
diff --git a/codegen/src/parse.rs b/codegen/src/parse.rs
index cd43d60..d239c5b 100644
--- a/codegen/src/parse.rs
+++ b/codegen/src/parse.rs
@@ -203,7 +203,7 @@
             let content = mac.tts.to_string();
             let ty = tokens.get(&content).unwrap().to_string();
 
-            types::Type::Token(types::Token::new(content, ty))
+            types::Type::Token(ty)
         }
         _ => panic!("{}", quote!(#item).to_string()),
     }