Format the amount in Easy Digital Downloads to remove the decimal points

gistfile1.php

<?php 
function my_child_theme_edd_format_amount_decimals( $decimals, $amount ) {
	$decimals = 0;

	return $decimals;
}
add_filter( 'edd_format_amount_decimals', 'my_child_theme_edd_format_amount_decimals', 10, 2 );