Remaining host configuration fragments

[mike stump]

> Date: Wed, 16 Jan 2002 22:12:33 +0000 (GMT)
> From: "Joseph S. Myers" <jsm28@cam.ac.uk>
> To: Zack Weinberg <zack@codesourcery.com>

> I think elxsi has been suggested as the one of the above most likely
> to be obsolete.

It can go.  Last hardware built around 87 maybe.  Company defunct soon
after.  A decade to wash the machines out of the pipeline.  Wait 5
years, time to remove.