Remove stopper service from automation script

examples/migration-8.0/.gitignore

examples/migration-8.0/compose-mysql8.0.yml

...tion-8.0/dump-data/mysql-dump-data-utf8mb4_unicode_ci.sql

examples/migration-8.0/dump-data/mysql-dump-data.sql

examples/migration-8.0/dump-mysql.sh

examples/migration-8.0/migrate-mariadb.sh