Allow no ecommerce integration in EA Options

easf_noecommerce.php

<?php
add_filter('esaf_validate_options', function($errors) {
	$return_errors = [];
	$ecommerce_message = __('You must enable at least one eCommerce Payment Integration.', 'easy-affiliate'); 
	
	foreach($errors as $error_msg) {
		if ($error_msg != $ecommerce_message) {
			$return_errors[] = $error_msg;
		}
	}
	
	return $return_errors;
});