Issue #211: Revert "Issue #204: added 'setup_requires' clause to setup.py for the packaging package"
Issue #211: Revert "Issue #204: added 'setup_requires' clause to setup.py for the packaging package"

This reverts commit 557fed8fed2db782d3d9afe276811aeda17b0bc0.

gift-surg/GIFT-Grab,gift-surg/GIFT-Grab,gift-surg/GIFT-Grab,gift-surg/GIFT-Grab