Revision afed6e35-46b9-40cc-85f7-d8e473307d5b

 try below code for Magento 2.  

    <page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <head>
        <remove src="https://selfservice.robinhq.com/external/robin/XXXX.js"/>
    </head>

http://devdocs.magento.com/guides/v2.0/frontend-dev-guide/layouts/xml-manage.html#layout_markup_css