More work on switching battle data to interior mutability, instead of exterior mutability.

src/static_data/libraries/move_library.rs

@@ -37,7 +37,6 @@ pub mod tests {
     use crate::static_data::libraries::data_library::DataLibrary;
     use crate::static_data::libraries::move_library::MoveLibrary;
     use crate::static_data::moves::move_data::{MoveCategory, MoveData, MoveTarget};
-    use crate::static_data::moves::secondary_effect::SecondaryEffect;
     use crate::StringKey;
     use hashbrown::HashSet;
 
@@ -51,7 +50,7 @@ pub mod tests {
             30,
             MoveTarget::Any,
             0,
-            SecondaryEffect::empty(),
+            None,
             HashSet::new(),
         )
     }