Add missing sites in cache.pp

Those are empty but must be here for the sake of sanity and completeness

Change-Id: I688385089208da7072f572e93590329e1b36648f
contint: get rid of testswarm user

We are no more using testswarm and are not willing to use it again. So
cleanup testswarm system user from the CI master node (gallium).

I will clean it up manually on the server whenever this change is
deployed.

Change-Id: I24c5c76ef53766bd8778b8038245a6631495302d
Merge "contint: get rid of testswarm user" into production