[pkg] Stop using /etc/bash_completion.d cubicweb-ctl shipped an empty /etc/bash_completion.d as a leftover of shipping a bash completion script. As pointed by Lintian, this directory is not obsolete, so let's get rid of it for good.

     1

etc/init.d

     2

etc/cubicweb.d

     3

usr/bin

     4

usr/share/doc/cubicweb-ctl

     5

var/log/cubicweb

     6

var/lib/cubicweb/backup

     7

var/lib/cubicweb/instances