Removes price modifiers (rather than taxes) from the price, so it shows the base price.

custom_functions.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

// display the base price of the ticket in the ticket selector without Price Modifiers.

add_filter( 'FHEE__ticket_selector_chart_template__ticket_price', 'change_ee_ticket_selector_base_price_display', 10, 2 );

function change_ee_ticket_selector_base_price_display( $ticket_price, $ticket ) {

    $x =  $ticket->base_price();

    $y = $x->get('PRC_amount');

    return $y;
}