code: public function remove($pageName)
      {
          if ($pageName == $this->configurationHandler->homepage()) {
              throw new RuntimeException("exception_homepage_cannot_be_removed");
          }
  
          $pageDir = $this->pagesDir . '/' . $pageName;
          Dispatcher::dispatch(PageCollectionEvents::PAGE_COLLECTION_REMOVING, new PageCollectionRemovingEvent($this->username, $pageDir));
  
          $filesystem = new Filesystem();
          if (file_exists($pageDir . '/page.json')) {
              $filesystem->mirror($pageDir, $this->pagesRemovedDir . '/' . $pageName . "-" . date("Y-m-d-H.i.s"));
          }
          $filesystem->remove($pageDir);
  
          Dispatcher::dispatch(PageCollectionEvents::PAGE_COLLECTION_REMOVED, new PageCollectionRemovedEvent($this->username, $pageDir));
          DataLogger::log(sprintf('Page "%s" was successfully removed from website', $pageName));
      }
docs: Removes the given page
  
  @param $pageName