[server] deprecate the old multi-source system
It is removed in 3.19.
Closes #2919299
sync_schema_props_perms('EmailAddress')
for source in rql('CWSource X WHERE X type "pyrorql"').entities():
sconfig = source.dictconfig
nsid = sconfig.pop('pyro-ns-id', config.appid)
nshost = sconfig.pop('pyro-ns-host', '')
nsgroup = sconfig.pop('pyro-ns-group', ':cubicweb')
if nsgroup:
nsgroup += '.'
source.cw_set(url=u'pyro://%s/%s%s' % (nshost, nsgroup, nsid))
source.update_config(skip_unknown=True, **sconfig)
commit()