title: Remove subtotal line from orders pages, email notifications and cart + checkout pages in WooCommerce
body: <p>I want to remove the Subtotals from Cart, Checkout, Order Received, Order Details and the emails. I don't want to use CSS, as it won't remove the reference from the order details page and emails. I have tried this code:    </p>
  
  <pre><code>add_filter( 'woocommerce_get_order_item_totals', 'adjust_woocommerce_get_order_item_totals' );
  
  function adjust_woocommerce_get_order_item_totals( $totals ) {
    unset($totals['cart_subtotal']  );
    return $totals;
  }
  </code></pre>
  
  <p>It isn't working, the Subtotal is visible on the Cart and Checkout pages.    </p>
  
  <p>Is there any other function or do I have to create a separate woocommerce folder under my active theme and delete any reference of "Subtotal" from the templates.</p>