rm old files

The root of this repository was meant to be fetched under
/srv/org/mediawiki/integration. But overtime we end up maintaing
wikimedia domains too so the root is no more serving any files. The up
to date copies comes from puppet in /srv/org/mediawiki/integration.

Change-Id: Ibfeaa10a47066f6adeccac42f50f7b312eaf3a0b