[pkg] Drop custom "install_data" command
Not sure what this is for, the comment mentions "egg" directory, but
this is quite likely an old hack that should be unnecessary when using a
recent setuptools.
Document: cubicweb-doc
Title: CubicWeb Documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/python-cubicweb-documentation/html/index.html
Files: /usr/share/doc/python-cubicweb-documentation/html/*