Clippy fixes, additional WASM registration work

tests/common/library_loader.rs

@@ -36,14 +36,13 @@ pub fn load_library() -> DynamicLibrary {
     let mut resolver = WebAssemblyScriptResolver::new();
     load_wasm(&path, resolver.as_mut());
 
-    let dynamic = DynamicLibrary::new(
+    DynamicLibrary::new(
         data,
         Box::new(Gen7BattleStatCalculator {}),
         Box::new(Gen7DamageLibrary::new(false)),
         Box::new(Gen7MiscLibrary::new()),
         resolver,
-    );
-    dynamic
+    )
 }
 
 pub fn load_types(path: &String, type_library: &mut TypeLibrary) {