Get rid of much of the old implementation of translating the

charset of response bodies.

ap_checkconv() is removed, except for in os/bs2000 and os/tpf.
(Anything there is questionable for 2.0 anyway.)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86400 13f79535-47bb-0310-9956-ffa450edef68