Remove link to Google Groups mailing list

[felixfontein]

SUMMARY

It's being removed: https://groups.google.com/g/ansible-project/c/B0oKR0aQqXs

ISSUE TYPE

• Docs Pull Request

COMPONENT NAME

docs/docsite/links.yml

[github-actions[bot]]

Docs Build 📝

Thank you for contribution!✨

This PR has been merged and the docs are now incorporated into main: https://ansible-collections.github.io/community.sops/branch/main

[felixfontein]

@endorama thanks for taking a look :)