Update done-doing-dec-9-dec-13.html

Removed broken link

pages/blog/posts/done-doing-dec-9-dec-13.html

@@ -24,7 +24,7 @@ <h2>Done</h2>
 	<li>Created a user survey</li>
 	<li>Identified initial set of user needs including: finding vital records, applying for Unemployment Insurance, Paid Family Leave, and Disability Insurance <em>(more to come on user needs in our blog and on social next week)</em></li>
 	<li>Delivered first user story on minimum wage, including <a href="https://github.com/cagov/Alpha/issues/26">functional prototypes</a> and <a href="https://github.com/cagov/UX/issues/4">content mockups</a></li>
-	<li>Established <a href="https://handbook-cadotgov.readthedocs.io/en/latest/principles/">design principles</a></li>
+	<li>Established design principles</li>
 	<li>Developed starter web design system</li>
 	<li>Picked a <a href="https://public-sans.digital.gov/">default font</a></li>
 </ul>