<?php $taxonomy = 'categories'; $tax_terms = get_terms($taxonomy); ?>
        <ul>
        <?php foreach ($tax_terms as $tax_term) {
        echo '<li>' . '<a href="' . esc_attr(get_term_link($tax_term, $taxonomy)) . '" title="' . sprintf( __( "View all posts in %s" ), $tax_term->name ) . '" ' . '>' . $tax_term->name.'</a></li>';
        }?></ul>

<?php
$taxonomy = 'categories';
$tax_terms = get_terms($taxonomy);
?>
<ul>
    <?php
    foreach ($tax_terms as $tax_term)
        if ('archive' !== $tax_term->name)
            echo '<li>' . '<a href="' . esc_attr(get_term_link($tax_term, $taxonomy)) . '" title="' . sprintf( __( "View all posts in %s" ), $tax_term->name ) . '" ' . '>' . $tax_term->name.'</a></li>';
    ?>
</ul>