Try this: comment the last line

add_action(‘after_setup_theme’,’avia_remove_main_menu_flags’);
function avia_remove_main_menu_flags(){
remove_filter( ‘wp_nav_menu_items’, ‘avia_append_lang_flags’, 20, 2 );
remove_filter( ‘avf_fallback_menu_items’, ‘avia_append_lang_flags’, 20, 2 );
remove_action( ‘avia_meta_header’, ‘avia_wpml_language_switch’, 10);
// add_action(‘ava_after_main_menu’, ‘avia_wpml_language_switch’, 10);
}

See the results:
http://www.justinwestcapital.com/en/