Call the remove function

src/freedombone-app-hubzilla

     install_mariadb
 
     if [ -d /var/www/$HUBZILLA_DOMAIN_NAME ]; then
-        rm -rf /var/www/$HUBZILLA_DOMAIN_NAME
-        drop_database hubzilla
+        remove_hubzilla
     fi
 
     function_check get_mariadb_password