debian/rules: Add commented snippet for conffile removal.

[youtubedl] / debian / watch

version=4
opts="filenamemangle=s%(?:.*?)?v?(\d[\d.]*)\.tar\.gz%youtube-dl-$1.tar.gz%,dversionmangle=s/\+dfsg\d*$//" \
https://github.com/rg3/youtube-dl/releases \
     (?:.*?/)?v?(\d[\d.]*)\.tar\.gz debian uupdate