Updated openstack/openstack
Project: openstack/sahara  1d9dd186c84cbe48766dd4a1daff1197f43f780f

Removed support of swift-internal prefix

Implements blueprint: swift-url-proto-cleanup-deprecations
Co-Authored-By: Mike May <themistymay@gmail.com>

Change-Id: I073560ce955da07c3c880e6a0d2918c9a9352830