Obliterate all references to the aforementioned service. This mostly
consists of removing the core service and any references to the now
removed '[workarounds] enable_consoleauth' configuration option.
Part of blueprint remove-consoleauth
Change-Id: I0498599fd636aa9e30df932f0d893db5efa23260
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
Depends-On: Icfc175c49a1fc650d1c9ad06b77209a70c6386db