Removed python-porting from the announcement list.
Removed python-porting from the announcement list.

fuchsia-mirror/third_party-pyyaml,yaml/pyyaml,jamesbroadhead/pyyaml,yaml/pyyaml,jamesbroadhead/pyyaml,anishathalye/pyyaml,yaml/pyyaml,fuchsia-mirror/third_party-pyyaml,anishathalye/pyyaml