Commerce cleanup

<?php

$entity_types = array(
  'commerce_order' => array(
    'entity_type' => 'commerce_order',
    'id_field' => 'order_id',
  ),
  'commerce_line_item' => array(
    'entity_type' => 'commerce_line_item',
    'id_field' => 'line_item_id',
  ),
  'commerce_customer_profile' => array(
    'entity_type' => 'commerce_customer_profile',
    'id_field' => 'profile_id',
  ),
  'commerce_payment_transaction' => array(
    'entity_type' => 'commerce_payment_transaction',
    'id_field' => 'transaction_id',
  ),
  'commerce_product' => array(
    'entity_type' => 'commerce_product',
    'id_field' => 'product_id',
  ),
  'node' => array(
    'entity_type' => 'node',
    'id_field' => 'nid',
    'bundle' => array(
      'name' => 'type',
      'value' => 'product',
    ),
  ),
);

foreach($entity_types as $entity_type) {
  $efq = new EntityFieldQuery();
  $efq->entityCondition('entity_type', $entity_type['entity_type']);

  // Append budle information to the EFQ if provided.
  if (!empty($entity_type['bundle'])) {
    $efq->propertyCondition($entity_type['bundle']['name'], $entity_type['bundle']['value']);
  };

  $results = $efq->execute();

  foreach ($results[$entity_type['entity_type']] as $result) {
    entity_delete($entity_type['entity_type'], $result->{$entity_type['id_field']});
  }
}