Remove dsvm prefix from in-repo zuul jobs

This PS removes the "dsvm" prefix from job names; this is a legacy
change which infra documentation says should be avoided [0]

[0] https://docs.openstack.org/infra/manual/drivers.html#naming-with-zuul-v3

Change-Id: Ie5111d5c329a2d518bfff5537ac8c599520bfdff
11 files changed