cgi-client: remove redundant eof check from _direct()
cgi-client: remove redundant eof check from _direct()

At this point, the previous call should have detected EOF already.

CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy