Renombrar, ordenar y eliminar estados de WooCommerce

functions.php

<?php add_filter( 'woocommerce_states', 'c7_woocommerce_states' );
function c7_woocommerce_states( $states ) {
    $states['PE'] = array(
        'LMA' => 'Lima Metropolitana',
        'AMA' => 'Amazonas',
        'ANC' => 'Ancash',
        'APU' => 'Apurímac',
        'ARE' => 'Arequipa',
        'AYA' => 'Ayacucho',
        'CAJ' => 'Cajamarca',
        'CAL' => 'Callao',
        'CUS' => 'Cusco',
        'HUV' => 'Huancavelica',
        'HUC' => 'Huánuco',
        'ICA' => 'Ica',
        'JUN' => 'Junín',
        'LAL' => 'La Libertad',
        'LAM' => 'Lambayeque',
        'LIM' => 'Lima Provincia',
        'LOR' => 'Loreto',
        'MDD' => 'Madre de Dios',
        'MOQ' => 'Moquegua',
        'PAS' => 'Pasco',
        'PIU' => 'Piura',
        'PUN' => 'Puno',
        'SAM' => 'San Martín',
        'TAC' => 'Tacna',
        'TUM' => 'Tumbes',
        'UCA' => 'Ucayali'
    );
    unset($states['PE']['CAL']);
    return $states;
} ?>