Remove with purge

src/freedombone-utils-mongodb

     if [ $removemongo ]; then
         systemctl stop mongodb
         systemctl disable mongodb
-        apt-get -yq remove mongodb mongo-tools
+        apt-get -yq remove --purge mongodb mongo-tools
         apt-get -yq autoremove
         if [ -d /var/lib/mongodb ]; then
             rm -rf /var/lib/mongodb