Merge pull request #7046 from rooftopcellist/rm_dockerfile-sync

Remove unneeded dockerfile-sync

Reviewed-by: https://github.com/apps/softwarefactory-project-zuul

tools/docker-compose/Dockerfile-sync

@@ -1,10 +0,0 @@
-FROM ubuntu:16.04
-
-RUN PACKAGES="\
-        rsync \
-        lsyncd \
-    " && \
-    apt-get update && \
-    apt-get install -y $PACKAGES && \
-    apt-get autoremove --purge -y && \
-    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*