[web/application] remove `path` argument from CubicwebPublisher methods Path can actually be accessed from `req` object. This allows to avoid duplicating this information. This cset prepares the next ones that aim at adding the language as a prefix of the relative path.

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