Speed up WP insert post by removing all post insert actions

functions.php

<?php // Please do not copy this line

add_action('admin_init', 'wt_remove_all_post_insert_actions');

function wt_remove_all_post_insert_actions() {

    $actions = array(
        'save_post_product', // WooCommerce product insert
        'wp_insert_post',
        'save_post',
        'add_attachment',
        'transition_post_status',
        'pre_post_update',
        'edit_attachment',
        'edit_post',
        'post_updated',
    );
    foreach ($actions as $action) {
        remove_all_actions($action);
    }
}