AETHER-2319 remove no-show option from dockerfile

Change-Id: Ib52f47d15167a2f0d2ee16df947575cffaf1d987
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 90848e6..882c5d0 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -25,4 +25,4 @@
      pip3 install -r requirements.txt
 
 ENTRYPOINT ["./bin/person_detection.sh"]
-CMD ["-i gstreamer",  "-ns"]
+CMD ["-i gstreamer"]