Unload webfont.js

Add the code below to your theme’s functions.php file to remove the call to webfont.js

function project_dequeue_mo_scripts()
{
    wp_dequeue_script('mo-google-webfont');
    wp_deregister_script('mo-google-webfont');
}

add_action('wp_print_scripts', 'project_dequeue_mo_scripts');