Remove templated config creation

Remove depricated code (part 1)

Refstack has decided to remove support for in app generated
config. Instead we will allow operators to use their own known
config file with the refstack-client.

https://storyboard.openstack.org/#!/story/110
Spec: specs/approved/identify-code-to-deprecate.rst

Change-Id: I406a0c8a64d334024f994ecd321021098633c3d8
Merge "Remove templated config creation"