Flow config: Remove dead code
Flow config: Remove dead code

We use VirtualRESTServiceClient now, so this is confusing.

Change-Id: Ib9acffb63026296fa16955768db8566bc61e85a4

wikimedia/mediawiki-vagrant,wikimedia/mediawiki-vagrant,wikimedia/mediawiki-vagrant,wikimedia/mediawiki-vagrant,wikimedia/mediawiki-vagrant,wikimedia/mediawiki-vagrant