pkg: Remove legacy installer and setup

And the ovirt-config-storage tool.
They are not needed anymore.

Change-Id: I1b959b85f44b1932f1d7fc7ce14484e14722253f
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=969143
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>