This commit removes all the v2.0 token APIs with the exception of the
v2.0 authenticate for token API. POST /v2.0/tokens affects so much
stuff that we can do it in a separate patch and hopefully make it
easier for reviewers.
bp removed-as-of-queens
Change-Id: I508e7350c2a2d25c8fb413ea3523633f8939d80f
139aa015d2