Remove redundant apt-get clean

Author: consideRatio

images/singleuser-sample/Dockerfile

@@ -35,7 +35,6 @@ RUN apt-get update \
         locales \
         iputils-ping \
         tini \
- && apt-get clean \
  && rm -rf /var/lib/apt/lists/* \
  && echo "en_US.UTF-8 UTF-8" > /etc/locale.gen \
  && locale-gen