Revert "python-pytools: add version 2016.2.1"
Revert "python-pytools: add version 2016.2.1"

* Upstreamed to meta-arago

This reverts commit 78640992ade8dd20ae76ea22b36006105da55ac6.

rcn-ee/meta-processor-sdk,rcn-ee/meta-processor-sdk,rcn-ee/meta-processor-sdk