odlparent introduced a duplicate-finder plugin which breaks our
validate job as the finder plugin appears to want to be able to
discover dependencies in the local m2 repo. Disable it as we do
not need it in this job.
Change-Id: I9db3fea19edbd6a3e09d8ccdb290e9dc81e19b54 Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>