remove hack for change button

Author: Jason Lally

_includes/header.html

@@ -79,7 +79,7 @@ <h1>We are Code for San Francisco</h1>
                     We meet every week to hack for change. Join us, everyone is welcome!
                   </p>
                   </div>
-                  <a class="btn btn-lg btn-hack" href="/hackforchange">National Day of Civic Hacking is coming. Join us June 5th-7th!</a>
+                  <!--<a class="btn btn-lg btn-hack" href="/hackforchange">National Day of Civic Hacking is coming. Join us June 5th-7th!</a>-->
                 </div>
               </div>
             </div>