Don't change $PATH (breaks python in other locations) and $PWD in test-oldcgi

tests/test-oldcgi

@@ -69,10 +69,8 b' HTTP_CONNECTION="keep-alive"; export HTT'
 HTTP_HOST="hg.omnifarious.org"; export HTTP_HOST
 HTTP_KEEP_ALIVE="300"; export HTTP_KEEP_ALIVE
 HTTP_USER_AGENT="Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.0.4) Gecko/20060608 Ubuntu/dapper-security Firefox/1.5.0.4"; export HTTP_USER_AGENT
-PATH="/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin"; export PATH
 PATH_INFO="/"; export PATH_INFO
 PATH_TRANSLATED="/var/www/hg/index.html"; export PATH_TRANSLATED
-PWD="/home/hopper/hg_public"; export PWD
 QUERY_STRING=""; export QUERY_STRING
 REMOTE_ADDR="127.0.0.2"; export REMOTE_ADDR
 REMOTE_PORT="44703"; export REMOTE_PORT