understandably, people could have other services running on mariadb

maybe do not delete the underlying image, throwing errors on STDOUT, right?

mediawiki.sh

@@ -48,9 +48,7 @@ for par in "$@"; do
             docker-compose down
             docker network rm mediawiki
             docker rmi mediawiki:1.34
-            docker rmi mariadb:10
             docker pull mediawiki:1.34
-            docker pull mariadb:10
             docker-compose up -d
             exit 0
             ;;