[tox] Drop "touch {envdir}/share/cubicweb/cubes/__init__.py" command on py34 env This was useful when we installed cubicweb in "develop" mode but we do not do this anymore.

version=3
opts=uversionmangle=s/(rc|a|b|c)/~$1/ \
https://pypi.debian.net/cubicweb/cubicweb-(.+)\.(?:zip|tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))