Remove mongodb daemon if necessary

src/freedombone-utils-mongodb

@@ -116,6 +116,10 @@ function remove_mongodb {
         if [ -d /var/lib/mongodb ]; then
             rm -rf /var/lib/mongodb
         fi
+        if [ -f /etc/systemd/system/mongodb.service ]; then
+            rm /etc/systemd/system/mongodb.service
+            systemctl daemon-reload
+        fi
     fi
 }