Removed deprecated reference to datacleanup.py in Portal Mammals.
Removed deprecated reference to datacleanup.py in Portal Mammals.

davharris/retriever,davharris/retriever,bendmorris/retriever,bendmorris/retriever,davharris/retriever,henrykironde/deletedret,goelakash/retriever,henrykironde/deletedret,goelakash/retriever,embaldridge/retriever,embaldridge/retriever,bendmorris/retriever,embaldridge/retriever