Patience, you posted this tonight, sometimes it takes a few days to get an answer

You want to go into skin1/modules/Product_Options/customer_options.tpl and remove this bit of code:
{if $v.is_modifier eq 'Y' && $o.price_modifier ne 0} ({if $o.modifier_type ne '%'}{include file="currency.tpl" value=$o.price_modifier display_sign=1 plain_text_message=1}{else}{$o.price_modifier}%{/if}){/if}