Fix carbon

Author: jgthms

_includes/carbon.html

@@ -41,6 +41,6 @@
   </div>
 
   <div id="carbon">
-    <!-- <script async type="text/javascript" src="//cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=cssreferenceio" id="_carbonads_js" onload ="window.helloCarbon()"></script> -->
+    <script async type="text/javascript" src="//cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=cssreferenceio" id="_carbonads_js" onload ="window.helloCarbon()"></script>
   </div>
 </div>