Code-Snippets-Functions/Execute a function on a child site/WooCommerce/remove-order-details-from-processing-order-email-notification.txt

add_action( 'woocommerce_email_order_details', 'action_email_order_details', 2, 4 );
function action_email_order_details( $order, $sent_to_admin, $plain_text, $email ) {
    // Targeting "processing" order email notification sent to customer.
    if ( 'customer_processing_order' === $email->id ) {
        remove_action( 'woocommerce_email_order_details', array( WC()->mailer(), 'order_details' ) );
    }
}