LibWeb+WebContent: Delete unused "has focus" flag from paint config

Author: https://github.com/kalenikaliaksandr
Commit: b73525ba0e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5259
Reviewed-by: https://github.com/gmta ✅

Libraries/LibWeb/DOM/Document.cpp

@@ -6494,7 +6494,6 @@ RefPtr<Painting::DisplayList> Document::record_display_list(PaintConfig config)
     context.set_device_viewport_rect(viewport_rect);
     context.set_should_show_line_box_borders(config.should_show_line_box_borders);
     context.set_should_paint_overlay(config.paint_overlay);
-    context.set_has_focus(config.has_focus);
 
     update_paint_and_hit_testing_properties_if_needed();