Remove expect now that CompleteErasedLoadedAsset doesn't include a meta field.

Author: andriyDev

crates/bevy_asset/src/loader.rs

@@ -329,7 +329,6 @@ impl CompleteErasedLoadedAsset {
 
     /// Cast this loaded asset as the given type. If the type does not match,
     /// the original type-erased asset is returned.
-    #[expect(clippy::result_large_err, reason = "Function returns `Self` on error.")]
     pub fn downcast<A: Asset>(
         mut self,
     ) -> Result<CompleteLoadedAsset<A>, CompleteErasedLoadedAsset> {