Switch infra projects to using docs templates
Switch infra projects to using docs templates

There are now project-templates for the infra use cases. Use them.

Depends-On: I236e4556249340a6a7fa1d82bb412a0e39259cc5
Change-Id: I8ae5af94be428843bb41d90e9a9d2e9ca280e2c2

openstack-infra/project-config,openstack-infra/project-config