docs(multiple): clean up obsoleted comments

acc todo

Author: adolgachev

src/aria/accordion/accordion-group.ts

@@ -116,7 +116,6 @@ export class AccordionGroup {
     element: () => this.element,
     activeItem: signal(undefined),
     items: this._triggerPatterns,
-    // TODO(ok7sai): Investigate whether an accordion should support horizontal mode.
     orientation: () => 'vertical',
   });
 

src/aria/menu/menu-item.ts

@@ -62,8 +62,6 @@ export class MenuItem<V> {
   /** Whether the menu item is disabled. */
   readonly disabled = input<boolean>(false);
 
-  // TODO(wagnermaciel): Discuss whether all inputs should be models.
-
   /** The search term associated with the menu item. */
   readonly searchTerm = model<string>('');