To help ease upgrades to Victoria, IPA had a knob added
to enable operators to express if agent tokens were required
in their deployment. Since then, the feature is required, however
we left the logic enabling the fun upgrade case handling.
At this point, this knob serves no further use, and can be removed.
Change-Id: I202f06e1b6598a802c9853fb99201c55e7a40cb1