Remove test drivers

Tatsuo Ishii <ishii@postgresql.org>

Commit: 8ebdac0ed5839cdaaa3ef44ecb917727af4634bb
Author: Tatsuo Ishii <ishii@postgresql.org>
Date: 2001-09-22T08:44:49Z
Releases: 7.2.1
Remove test drivers
Also fix comment in conv.c.

Files