Chore: Unpin robot/versions to match ci-management

Also remove Python2.x tests from tox.ini

Issue-ID: CCSDK-3820
Signed-off-by: Matthew Watkins <mwatkins@linuxfoundation.org>
Change-Id: Ie852cba988b962dbd0c32e27f987260aaa55e644
Signed-off-by: Matthew Watkins <mwatkins@linuxfoundation.org>
4 files changed