chore: remove useless code (#2643)

Author: theFG1998

packages/editor-skeleton/src/components/widget-views/index.tsx

@@ -232,12 +232,8 @@ export class PanelView extends Component<{
       this.lastVisible = currentVisible;
       if (this.lastVisible) {
         panel.skeleton.postEvent(SkeletonEvents.PANEL_SHOW, panel.name, panel);
-        // FIXME! remove this line
-        panel.skeleton.postEvent('leftPanel.show' as any, panel.name, panel);
       } else {
         panel.skeleton.postEvent(SkeletonEvents.PANEL_HIDE, panel.name, panel);
-        // FIXME! remove this line
-        panel.skeleton.postEvent('leftPanel.hide' as any, panel.name, panel);
       }
     }
   }