chore: drop the global popovers-registry write — the registry is deleted (Phase 6ae)

The write-only widget::popovers registry (its engine readers went with the
popup path in 6x) is deleted from cce-ui; this was its last clear() call.

Co-Authored-By: Claude Fable 5 <[email protected]>

 src/renderer.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/renderer.rs b/src/renderer.rs
index 9f3dbda..459cb48 100644
--- a/src/renderer.rs
+++ b/src/renderer.rs
@@ -96,7 +96,6 @@ impl SystemInterface {
         let mut page_buttons = Vec::new();
 
         cce_ui::widget::hover_animation::reset_frame_registration();
-        cce_ui::widget::popovers::clear();
         self.ui_context.clear_popovers();
         cce_ui::widget::hover_animation::set_scroll_offset(self.scroll_y);
         cce_ui::widget::hover_animation::set_cursor_pos(self.cursor_x, self.cursor_y);