Removes order by range or id.

Magento2OrderRemove

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$registry = $objectManager->get('Magento\Framework\Registry');
$registry->register('isSecureArea', 'true');

// OrderId used to select which order to remove
// $orderId = 0;

// OrderRange used to select the range of orders to delete (0 to 30)
// $orderRange = [0, 30];

if (isset($orderId)) {
  $order = $objectManager->create('Magento\Sales\Model\Order')->load($orderId);
  $order->delete();
  
} elseif (isset($orderRange)) {
for ($i = $orderRange[0]; $i <= $orderRange[1]; $i++) {
    $order = $objectManager->create('Magento\Sales\Model\Order')->load($i);
    $order->delete();
}

$registry->unregister('isSecureArea');