remove long broken SCSI to NVMe translations

[Christoph Hellwig]

[you dropped all the people in the To and Cc list..]

> Someone should tell HPe, though; apparently they are using it for
> firmware download ...

Everything that could be done using the scsi emulation can be trivially
done using nvme-cli, as they should have done from day 0.

But adding the usual suspects to CC as they didn't seem to know it.
And adding Robert just for fun :)