[css-font-loading] Update Promises ref.

Author: tabatkins

css-font-loading/Overview.bs

@@ -37,9 +37,8 @@ Introduction</h2>
 <h3 id="values">
 Values</h3>
 
-	This specification uses <dfn interface title="Promise">Promises</dfn>.
-	Promises are currently defined by <a href="https://github.com/domenic/promises-unwrapping">Domenic Denicola's spec</a>,
-	but when TC39 is finished adding them to ECMAScript 6 their definition should be used instead.
+	This specification uses <dfn interface title="Promise">Promises</dfn>,
+	which are defined in <a href="http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts">ECMAScript 6</a>.
 	HTML5Rocks has some <a href="http://www.html5rocks.com/en/tutorials/es6/promises/">good tutorial material introducing Promises</a>.
 
 <h2 id="fontface-interface">

css-font-loading/Overview.html

@@ -136,9 +136,8 @@ <h2 class="heading settled heading" data-level=1 id=introduction><span class=sec
 <h3 class="heading settled heading" data-level=1.1 id=values><span class=secno>1.1 </span><span class=content>
 Values</span><a class=self-link href=#values></a></h3>
 
-<p>This specification uses <dfn class=idl-code data-dfn-type=interface data-export="" id=dom-promise title=Promise>Promises<a class=self-link href=#dom-promise></a></dfn>.
-	Promises are currently defined by <a href=https://github.com/domenic/promises-unwrapping>Domenic Denicola’s spec</a>,
-	but when TC39 is finished adding them to ECMAScript 6 their definition should be used instead.
+<p>This specification uses <dfn class=idl-code data-dfn-type=interface data-export="" id=dom-promise title=Promise>Promises<a class=self-link href=#dom-promise></a></dfn>,
+	which are defined in <a href="http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts">ECMAScript 6</a>.
 	HTML5Rocks has some <a href=http://www.html5rocks.com/en/tutorials/es6/promises/>good tutorial material introducing Promises</a>.</p>
 
 <h2 class="heading settled heading" data-level=2 id=fontface-interface><span class=secno>2 </span><span class=content>