Bug 1170805 - Vagrant: Remove redirect for old style /ui/ URLs

puppet/files/apache/treeherder.conf

@@ -14,12 +14,6 @@
     Require all granted
   </Proxy>
 
-  ###########
-  # This is for backwards compatibility with old style treeherder urls
-  ###########
-  Alias /ui /home/<%= @APP_USER %>/treeherder/<%= @APP_UI %>
-  ProxyPass        /ui !
-
   ###########
   # Shared locations between production and dev environment
   ###########