Refactor code to make it easier to do 'nopredict' inside of any function without having a dependency on world model.

luprex/cpp/core/util.hpp

@@ -198,13 +198,6 @@ bool valid_number(string_view v, bool plus, bool minus, bool dec, bool exp);
 
 namespace util {
 
-enum WorldType {
-    WORLD_TYPE_STANDALONE,
-    WORLD_TYPE_C_SYNC,
-    WORLD_TYPE_S_SYNC,
-    WORLD_TYPE_MASTER,
-};
-
 enum MessageType {
     MSG_NULL,
     MSG_DIFF,