Modifying Print Invoices and Packing Lists Template in Woocommerce

Modifying “Print Invoices & Packing Lists” WooCommerce add-on to remove unwanted columns.  This will remove the sku column from the invoice, and the weights column from the packing list.  The weight column was the primary reason for this code, and makes it simple to eliminate unwanted information. source: https://www.skyverge.com/blog/modifying-print-invoices-packing-lists-templates/