[FIX] packaging: stop moving addons for deb package

The package.py script is moving the addons in odoo/addons which is not
more necessary for the Debian package as it's made at the Debian
packaging level. So package.py will not do that anymore.

closes odoo/odoo#60421

Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>