do not cvs update for doc test (switching to mercurial, update done outside
once and for all)

--- a/Admin/isatest/isatest-doc	Sun Sep 28 09:13:46 2008 +0200
+++ b/Admin/isatest/isatest-doc	Sun Sep 28 09:25:24 2008 +0200
@@ -67,14 +67,8 @@
 
 echo "Start test at `date`" > $LOG
 echo >> $LOG
-echo "begin cvs update" >> $LOG
 
-# cvs update to newest version 
 cd $DOCDIR || fail "could not cd to $DOCDIR"
-cvs -q up -A -P -d >> $LOG 2>&1 || fail "could not CVS update."
-
-echo "end cvs update" >> $LOG
-echo >> $LOG
 
 # run test
 FAIL="";