Remove distutils from connection plugin
Depends-On: ansible/ansible-zuul-jobs#1527
SUMMARY
distutils.spawn.find_executable is deprecated and shutils.which is a
suitable replacement.
ISSUE TYPE
Bugfix Pull Request
COMPONENT NAME
ADDITIONAL INFORMATION
Reviewed-by: Gonéri Le Bouder <goneri@lebouder.net>
Reviewed-by: Joseph Torcasso <None>
