**Reason**:
EditOwn has been imported from subversion back in september 2016 but never received any worthwhile code. More over once installed it is barely usable since it never got updated to catch up with MediaWiki. Eg: `Call to undefined method Revision::getRawUserText`
- [ ] Archive documentation on `mediawiki.org` ( https://www.mediawiki.org/wiki/Extension:EditOwn )
- [ ] Remove from `mediawiki/extensions` ( along with in `.gitmodules`)
- [X] Remove tests in `integration/config` ( `zuul/layout.yaml` )
- [ ] Remove from `translatewiki` ( `groups/MediaWiki/mediawiki-extensions.txt` )
- [ ] ~~Remove manifest/other references from `mediawiki/vagrant` if they exist~~
- [ ] Empty repository and add a OBSOLETE file.
- [ ] ~~Archive Phabricator project <#ProjectX> for associated extension~~
- [ ] ~~Edit Phabricator project <#ProjectX> description for associated extension/skin with a link to this ticket~~
- [ ] Archive the extension's diffusion repository: //Apparently it is not in Diffusion//
- [ ] Mark the repository read-only in Gerrit: ( https://gerrit.wikimedia.org/r/#/admin/projects/mediawiki/extensions/EditOwn )
- [ ] Delete the GitHub mirror: https://github.com/wikimedia/mediawiki-extensions-EditOwn