Code to to remove incl. tax text from subtotal and total - By WebToffee

functions.php

<?php //Do not copy this line of code
add_filter('wf_pklist_alter_find_replace','wt_pklist_show_order_total' ,10,6);
function wt_pklist_show_order_total($find_replace, $template_type, $order, $box_packing, $order_package, $html)
{
	if( 'invoice' === $template_type )
	{
		$order_id = (WC()->version < '2.7.0') ? $order->id : $order->get_id();
		$user_currency = get_post_meta($order_id, '_order_currency', true);
		$total_price = (WC()->version< '2.7.0' ? $order->order_total : get_post_meta($order_id,'_order_total',true));
		if( !empty( $total_price ) )
		{
			$find_replace['[wfte_product_table_payment_total]']=wc_price($total_price,array('currency'=>$user_currency));
		}
	}
	return $find_replace;
}

add_filter('wf_pklist_alter_tax_info_text','wf_pklist_remove_tax_text',10,6);
function wf_pklist_remove_tax_text($tax_data, $tax_type, $tax_items_total, $user_currency, $template_type, $order)
{
	if( 'invoice' === $template_type )
	{
		return $tax_data = '';
	}
	return $tax_data;
}

add_filter('wf_pklist_alter_subtotal_formated', 'wt_pklist_alter_formated_sub', 10, 4);
function wt_pklist_alter_formated_sub($sub_total_formated, $template_type, $sub_total, $order)
{
	$sub_total_formated = wc_price($sub_total);
	return $sub_total_formated;
}