[pkg] Stop running unit tests from skeleton The test files shipped as part as the skeleton for `cubeweb-ctl newcube` are not meant to be run as part of our test suite!

etc/init.d
etc/cubicweb.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances