don't need and entrypoint and cmd in this case

Change-Id: I075280bb3cf0209123a1069266d0f8f10febe730
diff --git a/python/docker/Dockerfile.cli b/python/docker/Dockerfile.cli
index 9f340de..fa9e845 100644
--- a/python/docker/Dockerfile.cli
+++ b/python/docker/Dockerfile.cli
@@ -62,9 +62,6 @@
 
 EXPOSE 22
 
-# Exposing process and default entry point
-ENTRYPOINT ["/usr/bin/dumb-init", "--"]
-
 CMD ["/voltha/python/cli/setup.sh"]
 
 # Label image