Hiding the Default variant drop-down in Vogue

product.liquid.html

<div id="product-left">{% for image in product.images %}{% if forloop.first %}
  <div id="product-image">
    <a href="{{ image | product_img_url: 'large' }}" rel="lightbox[images]" title="{{ product.title | escape }}"><img src="{{ image | product_img_url: 'medium' }}" alt="{{ product.title | escape }}" /></a>
  </div>{% else %}
  <div class="product-images">
    <a href="{{ image | product_img_url: 'large' }}" rel="lightbox[images]" title="{{ product.title | escape }}"><img src="{{ image | product_img_url: 'small' }}" alt="{{ product.title | escape }}" /></a>
  </div>{% endif %}{% endfor %}
</div>
<div id="product-right">
  <h1>{{ product.title }}</h1>
  {{ product.description }}
  
  {% if product.available %}
  <form action="/cart/add" method="post">
    <div id="product-variants"{% if product.variants.size == 1 %} style="padding:10px"{% endif %}>
      <div id="price-field"{% if product.variants.size == 1 %} style="float:none"{% endif %}>{{ product.price | money_with_currency }}</div>
      {% if product.variants.size == 1 %}
      <input type="hidden" name="id" value="{{ product.variants.first.id }}" />
      {% else %}
      <select id="product-select" name='id'>
        {% for variant in product.variants %}
          <option value="{{ variant.id }}">{{ variant.title }} - {{ variant.price | money }}</option>
        {% endfor %}
      </select>
      {% endif %}
    </div>
    <input type="image" src="{{ 'purchase.png' | asset_url }}" name="add" value="Purchase" id="purchase" />
  </form>
  {% else %}
  <p class="bold-red">This product is temporarily unavailable</p>
  {% endif %}

  <div id="product-details">
    <strong>Continue Shopping</strong><br />
    Browse more {{ product.type | link_to_type }} or additional {{ product.vendor | link_to_vendor }} products.
  </div>
</div>

{% unless product.variants.size == 1 %}

<script type="text/javascript">
<!--
  // mootools callback for multi variants dropdown selector
  var selectCallback = function(variant, selector) {
    if (variant && variant.available == true) {
      // selected a valid variant
      $('purchase').removeClass('disabled'); // remove unavailable class from add-to-cart button
      $('purchase').disabled = false;           // reenable add-to-cart button
      $('price-field').innerHTML = Shopify.formatMoney(variant.price, "{{shop.money_with_currency_format}}");  // update price field
    } else {
      // variant doesn't exist
      $('purchase').addClass('disabled');      // set add-to-cart button to unavailable class
      $('purchase').disabled = true;              // disable add-to-cart button      
      $('price-field').innerHTML = (variant) ? "Sold Out" : "Unavailable"; // update price-field message
    }
  };

  // initialize multi selector for product
  window.addEvent('domready', function() {
    new Shopify.OptionSelectors("product-select", { product: {{ product | json }}, onVariantSelected: selectCallback }); 
  });
-->
</script>

{% endunless %}