Zoho Books/Invoice: can a custom invoice template be created to remove the line items automatically added from projects?

Zoho Books/Invoice: can a custom invoice template be created to remove the line items automatically added from projects?

We always change the line item amount to zero in order hide lines that were automatically added from projects. We do this as we never show them on the invoice, we manually add the hours in order to better format and group them.

Can a custom invoice be edited in HTML or otherwise to remove the section in the table of automatically added line items from projects?