Fixes#3357. I'm removing this statement as it's not clear where it should
actually be pointing to...
Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
* Update links to outdated user-guide and admin docs
* Add script for updating outdated links.
* Update regex to include init-containers file.
* Pull upstream, rewrite links in and to namespaces walkthrough.