Redirect rm to /dev/null

Author: micaelmalta

bin/make-base-vm

@@ -209,7 +209,7 @@ EOF
 FROM $base_image
 
 ENV DEBIAN_FRONTEND=noninteractive
-RUN rm /etc/apt/sources.list.d/*esm*.list
+RUN rm /etc/apt/sources.list.d/*esm*.list &> /dev/null
 RUN echo 'Acquire::http { Proxy "$MIRROR_BASE"; };' > /etc/apt/apt.conf.d/50cacher
 RUN apt-get update && apt-get --no-install-recommends -y install $addpkg