Rename py35 v3 only check

This renames the "keystone-dsvm-py35-functional-v3-only" check to
"keystone-dsvm-py35-functional-federation" in order to better
describe what this job does. This also removes the
"ENABLE_IDENTITY_V2=FALSE" setting since v2 has since been removed
from keystone.

Change-Id: If6c4a5844eb1d2f9f75c614634c781c2915c4a11

.zuul.yaml

@@ -48,10 +48,10 @@
       - ^releasenotes/.*$
 
 - job:
-    name: keystone-dsvm-py35-functional-v3-only
+    name: keystone-dsvm-py35-functional-federation
     parent: legacy-dsvm-base
-    run: playbooks/legacy/keystone-dsvm-py35-functional-v3-only/run.yaml
-    post-run: playbooks/legacy/keystone-dsvm-py35-functional-v3-only/post.yaml
+    run: playbooks/legacy/keystone-dsvm-py35-functional-federation/run.yaml
+    post-run: playbooks/legacy/keystone-dsvm-py35-functional-federation/post.yaml
     timeout: 4200
     voting: false
     required-projects:
@@ -138,7 +138,7 @@
       jobs:
         - keystone-dsvm-functional
         - keystone-dsvm-functional-v3-only
-        - keystone-dsvm-py35-functional-v3-only
+        - keystone-dsvm-py35-functional-federation
         - openstack-ansible-keystone-rolling-upgrade
         - openstack-tox-lower-constraints
         - legacy-keystoneclient-dsvm-functional:

playbooks/legacy/keystone-dsvm-py35-functional-federation/run.yaml

@@ -1,6 +1,5 @@
 - hosts: all
-  name: Autoconverted job legacy-keystone-dsvm-py35-functional-v3-only from old job
-    gate-keystone-dsvm-py35-functional-v3-only-ubuntu-xenial-nv
+  name: Autoconverted job legacy-keystone-dsvm-py35-functional-federation
   tasks:
 
     - name: Ensure legacy workspace directory
@@ -36,7 +35,6 @@
           disable_service s-container
           disable_service s-object
           disable_service s-proxy
-          ENABLE_IDENTITY_V2=False
           enable_plugin keystone git://git.openstack.org/openstack/keystone
 
           EOF