Click the “Pages” button from within your sites editor
Each page of your site will be listed vertically in the pages menu
To hide or delete a page, click the page to prompt a new menu. Within this menu, you will have the option to rename, hide, delete or edit the page.
In this case, either select hide or delete. Then, click “Publish”
NOTE: Deleting a page will permanently delete page from your site. Hiding a page will allow you to temporarily remove it from your site with the opportunity to publish the page to your site in the future.