No need to remove container in stop.sh

Change-Id: Icef00c26270f8e875351bfc38598ed4665aa0eea
diff --git a/stop.sh b/stop.sh
index ca96599..04cec04 100755
--- a/stop.sh
+++ b/stop.sh
@@ -2,5 +2,3 @@
 
 app=nolabs
 docker stop $app
-docker rmi -f $app
-docker rm -f $app