function plt_hide_oowcode_custom_menu_shortcode_menus() {
//Hide the "Oowcode" menu.
remove_menu_page('oowcode_menu');
//Hide the "Oowcode → Oowcode" menu.
remove_submenu_page('oowcode_menu', 'oowcode_menu');
//Hide the "Oowcode → OOWCODE Menu Shortcode" menu.
remove_submenu_page('oowcode_menu', 'com_oowcode_shortcode_menu_info');
}
add_action('admin_menu', 'plt_hide_oowcode_custom_menu_shortcode_menus', 11);