Remove old documentation on https://docs.docker.com/compose/completion

[vandman]

Description

Steps to reproduce the issue: Go to https://docs.docker.com/compose/completion/#available-completions or Search for "docker compose autocompletion" in any search provider (Google, dukdukgo...), the first link is the link given above. Follow the documentation

Describe the results you received: The link given in the documentation to downlad contrib/completion/bash/docker-compose does not exist on version 2 and above. It result on a http error 404, witch give a error message on the console when we start a session: error on the console => "404:: command not found"

Describe the results you expected: bash completion for docker compose.

[shakibamoshiri]

Command-line completion

curl \
    -L https://raw.githubusercontent.com/docker/compose/v2.7.0/contrib/completion/bash/docker-compose \
    -o /etc/bash_completion.d/docker-compose

404: Not Found

The previous version is gone :|

cat /etc/bash_completion.d/docker-compose ; echo
404: Not Found

[ndeloof]

Docs has been revisited and https://docs.docker.com/compose/completion/#available-completions doesn't point to any relevant page for this issue.

As a CLI plugin, docker compose v2 relies on docker top-level command support for dynamic completion, which is available in latest release. Script to be installed as bash completion can be generated using docker completion bash