Stop creating userrc_early

We can use the devstack-admin cloud configuration everywhere now
and don't need to set environment variables with cloud credentials
any longer.

Fix the swift setup, where some more options need to be explicitly
specified now and the default OS_CLOUD setting overridden.

Signed-off-by: Dr. Jens Harbott <harbott@osism.tech>
Change-Id: I86ffa9cd52454f1c1c72d29b3a0e0caa3e44b829
2 files changed