[ticket/12987] Cleanup the services.yml file

PHPBB3-12987
Merge pull request #3002 from Nicofuma/ticket/12987

[ticket/12987] Cleanup the services.yml file

* Nicofuma/ticket/12987:
  [ticket/12987] Cleanup the services.yml file
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12987] Cleanup the services.yml file