zeek: Prune cc list (#8851)
zeek: Prune cc list (#8851)

This prunes a big number of duplicates out of our cc list, since all of
those people get the security@ mails already.
google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz