Remove obsolete version field in compose files

docs/content/getting-started/quick-start.md

docs/content/observability/access-logs.md

docs/content/providers/docker.md

docs/content/providers/swarm.md

...nstall-configuration/observability/logs-and-accesslogs.md

...ntent/reference/install-configuration/providers/docker.md

...ontent/reference/install-configuration/providers/swarm.md

...ce/routing-configuration/dynamic-configuration-methods.md

...reference/routing-configuration/other-providers/docker.md

.../reference/routing-configuration/other-providers/swarm.md

docs/content/routing/providers/docker.md

docs/content/routing/providers/swarm.md

...nt/user-guides/docker-compose/acme-dns/docker-compose.yml

...guides/docker-compose/acme-dns/docker-compose_secrets.yml

...t/user-guides/docker-compose/acme-http/docker-compose.yml

...nt/user-guides/docker-compose/acme-tls/docker-compose.yml

...er-guides/docker-compose/basic-example/docker-compose.yml

...content/user-guides/docker-compose/basic-example/index.md

integration/resources/compose/access_log.yml

integration/resources/compose/allowlist.yml