Remove unnecessary into()

src/lang.rs

@@ -451,7 +451,7 @@ impl DeckData {
             self.settings.id,
             HistoryItem {
                 timestamp: Utc::now(),
-                word_id: word.word_id.into(),
+                word_id: word.word_id,
                 mode: status,
                 before: old_score,
                 after: new_score,