**Reason**
* See T256052 where this was brought up. Empty repo for three years, no activity, no replies from maintainer @SimmeD.
* https://tools.wmflabs.org/dawiki/ is a 302/304.
* https://dawiki.toolforge.org/ is a 503; linked from https://admin.toolforge.org/tools
**To-do list**
- This task
-- [x] Add maintainers of the tool as subscribers to this task
-- [x] Add Phabricator project as a tag for this task
- Phabricator
-- [x] Mark all Phabricator tasks either Declined or Invalid.
-- [x] Archive Phabricator project" {T256052} (pre: {T179410})
-- [x] Edit Phabricator project description for the extension/skin with a link to this ticket.
- Toolforge
-- [ ] Delete https://tools.wmflabs.org/dawiki/ / https://dawiki.toolforge.org/
- Repositories: https://gerrit.wikimedia.org/r/plugins/gitiles/labs/tools/dawiki/+/refs/heads/master
-- [ ] Empty repository, leaving only the README indicating the repo is archived, and referring to this task by URL.
-- [ ] Mark the repository read-only in Gerrit (also edit description to prepend "[ARCHIVED]" and a reference to this task)
-- [ ] Archive the Diffusion repository: https://phabricator.wikimedia.org/diffusion/LTDA/
-- [ ] Delete the GitHub mirror: https://github.com/wikimedia/labs-tools-dawiki