When www/en/cgi/sendpr-code.cgi creates a submission code to validate
that the submitter is not a script, the code only gets removed if the
user continues through www/en/cgi/dosendpr.cgi.
This script can be run periodically from cron to ensure that the DBM
doesn't grow without bound.

PR: www/60375
Submitted by: Eric Anderson <anderson@centtech.com>