Remove the stable helm repo from helm verification

Signed-off-by: Zhe Huang <zhehuang@research.att.com>
Change-Id: Ib30f266d6e679ed8c8e5f36a6f3a2f491ad11826
diff --git a/ci/Dockerfile b/ci/Dockerfile
index 27618f5..7274a5e 100644
--- a/ci/Dockerfile
+++ b/ci/Dockerfile
@@ -22,7 +22,7 @@
 # often times out during LF jenkins build
 RUN curl --silent --show-error --connect-timeout 10 --retry 6 -L https://raw.githubusercontent.com/helm/helm/master/scripts/get -o ${GH}
 RUN bash ${GH}
-RUN helm init -c
+RUN helm init -c --skip-repos
 ARG TGT=/tmp/ric-plt-ric-dep
 COPY . $TGT
 RUN $TGT/bin/verify-ric-charts