No serviceNames attribute in Loader

Change-Id: I6cc001d18683fc412f0ec0b6a33054d6e745463f
(cherry picked from commit 431b49fbec68c17c7a486ef0f577107d3dd27e55)
Reviewed-on: https://gerrit.libreoffice.org/7293
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>