function plt_hide_mw_wp_form_menus() {
//Hide the "MW WP Form" menu.
remove_menu_page('edit.php?post_type=mw-wp-form');
//Hide the "MW WP Form → MW WP Form" menu.
remove_submenu_page('edit.php?post_type=mw-wp-form', 'edit.php?post_type=mw-wp-form');
//Hide the "MW WP Form → Add New Post" menu.
remove_submenu_page('edit.php?post_type=mw-wp-form', 'post-new.php?post_type=mw-wp-form');
}
add_action('admin_menu', 'plt_hide_mw_wp_form_menus', 11);