fix: dev: [base] remove obsolete comment !minor

precise/host/hooks/install.d/60-docker.sh

@@ -20,7 +20,6 @@ if [ -n "$just_installed" ]; then
                        cut -f 2 -d \| |
                        grep "$docker_version" |
                        head -n 1 | xargs echo)"
-        ## DOWNGRADE to 17.xx because 18.xx do not support registry v1
         apt-get install -y --allow-downgrades docker-ce="$version"
         need_restart=true
     fi