[VIM] CVE-2006-4159 (Chaussette) provenance for Event_for_month_per_day.php

[Steven M. Christey]

Just in case CVE wasn't the only one to miss this, we had originally
assigned a separate CVE for the Event_for_month_per_day.php. vector,
treating it as an unknown-provenance issue.  What happened was, during
analysis of CVE-2006-4159, the analyst must have focused on the
exploit section, which did not list this program; however, the
"vulnerable scripts" section *did* mention this program.

CVE-2006-4159 has since been updated, and the now-duplicate
CVE-2006-4216 has been deleted.

- Steve