Revert "Merge pull request #177 from dmsurti/enpkg-comm-warnings"

This reverts commit 2808bbc5a816c4e8731757c839b898b5383338e2, reversing
changes made to 3899a6fa304cb2a85e62b3de043b95cdd888d852.
Merge pull request #182 from enthought/revert_pypi_warning

Revert "Merge pull request #177 from dmsurti/enpkg-comm-warnings"