Screwed up bad :(

So as the title says i Screwed up and i did it bad

so i made a plugin witch would create pages for me

for example i set it to create

Sitemap
Privacy Policy
Terms and conditions
Earnings disclaimer

and it worked great atleast i tuath well it make more then one page so now my blogs got over 20 pages of the same page some of them evern got more (running a network with only my blogs)

So is there away to remove them without having to go into every blog and do it by hand ?

the code i used was

if ($sitemap == null) {
        $sitemap = array(
            'post_title' => 'Sitemap',
            'post_content' => '',
            'post_status' => 'publish',
            'post_author' => 1,
            'post_type' => 'page'
        );
        $id = wp_insert_post($sitemap);
        if ($id > 0 && !($id instanceof WP_Error)) {
            update_post_meta($id, '_wp_page_template', 'page-sitemap.php');
        }
    }

shouldent i be able to just change the ” wp_insert_post ” to “wp_delete_post ” ?