Updated openstack/openstack
Project: openstack/tempest  bffeec08274300562774f5f67dd36f9a950a8580

Remove functionality to load json files

Remove schema loader since all schemas are ported to .py files.

Implements: bp api-schema-unification
Change-Id: I4b2797798cd5df702b0a7c213f9857b628aa2871