Removed docker-image-cleanup

Not used in master branch currently, only develop

Author: mblaschke

docker/certbot/latest/Dockerfile

@@ -21,5 +21,4 @@ RUN /usr/local/bin/apk-install \
         certbot \
     && pip install --upgrade pip \
     && hash -r \
-    && pip install pyRFC3339 configobj ConfigArgParse \
-    && /usr/local/bin/docker-image-cleanup
+    && pip install pyRFC3339 configobj ConfigArgParse

template/Dockerfile/images/certbot.jinja2

@@ -15,6 +15,5 @@ RUN /usr/local/bin/apk-install \
         certbot \
     && pip install --upgrade pip \
     && hash -r \
-    && pip install pyRFC3339 configobj ConfigArgParse \
-    {{ docker.cleanup() }}
+    && pip install pyRFC3339 configobj ConfigArgParse
 {%- endmacro %}