docs(Router): remove duplicate "activated"

closes #1957

Author: kylerob

public/docs/ts/latest/guide/router.jade

@@ -220,7 +220,7 @@ table
     td <code>RouterState</code>
     td.
       The current state of the router including a tree of the currently activated
-      activated routes in our application along with the URL query params, fragment
+      routes in our application along with the URL query params, fragment
       and convenience methods for traversing the route tree.
   tr
     td <code><i>Link Parameters Array</i></code>