Fix URLs after transfer to tc39 org

Author: eemeli

spec.emu

@@ -5,12 +5,12 @@
 title: Intl.DateTimeFormat Alignment With Other Standards
 stage: 1
 contributors: Eemeli Aro
-location: https://eemeli.org/proposal-intl-datetime-alignment/
+location: https://tc39.es/proposal-intl-datetime-alignment/
 </pre>
 
 <emu-intro id="intro">
   <h1>Introduction</h1>
-  <p>An explainer for this proposal is available at <a href="https://github.com/eemeli/proposal-intl-datetime-alignment">github.com/eemeli/proposal-intl-datetime-alignment</a>.</p>
+  <p>An explainer for this proposal is available at <a href="https://github.com/tc39/proposal-intl-datetime-alignment">github.com/tc39/proposal-intl-datetime-alignment</a>.</p>
 </emu-intro>
 
 <emu-clause id="datetimeformat-objects" number="11">