Integration: drop blank lines at the end of ja.rs's table

The German entry commits a237e639 and 9cacd53d added no Japanese rows but left an empty line each before the table's end; cargo fmt removes them.

crates/ui-egui/src/i18n/ja.rs

@@ -1840,8 +1840,6 @@ pub(super) const TABLE: &[(&str, &str)] = &[
     ("Preset Name", "プリセット名"),
     ("Bounding Box (Visible Layers Only)", "バウンディングボックス（表示レイヤーのみ）"),
     ("Bounding Box (All Layers)", "バウンディングボックス（すべてのレイヤー）"),
-
-
 ];
 
 /// Captions whose Japanese depends on where they appear: (English, context, Japanese).