Removes odl-dlux-gui feature for ODL
The GUI feature is no longer supported with ODL and needs to be removed.
We relied on the URL provided by this feature in order to run our docker
healtcheck, which is modified in the depends-on patch to a new URI.
Signed-off-by: Tim Rozet <email@example.com>
(cherry picked from commit f51f5336798751d9a23b69c4c301f748251a6064)