* feat: remove initializeSponsorshipVisibility and related code
* feat: remove sponsorships from sidebar
* feat: remove sponsorships from the admin - route, controller, view, spec
* feat: remove the admin menu item
* feat: remove the i8n for admin sponsors controller
* feat: sponsorship decorator was not being used anywhere
* feat: sponsorship slack messenger was not being used anywhere
* feat: remove the sponsorship_headline that gets configures on the admin
* feat: remove the /sponsors page
* feat: remove renedring of single_sponsor partial and associated partials
* feat: remove the navigation link rake task for sponsors
* feat: remove sponsorship from tags
* feat: remove i8n constants used
* remove sponsor references in text to the privacy page
* feat: remove the sponsorship detail from the organization page
* feat: remove the sponsors css that was used for app/views/pages/sponsors.html.erb
* feat: remove the sponsorship i8n that was used in the slack messengers
* feat: swap out the decorators to use Article as an example
* feat: remove spec to show sponsors on home page
* feat: update the specs to use Article Decorator instead of the Sponsorship Decorator
* fix: use direct and not all
* fix: remove tests for tag sponsorship
* fix: remove organization sponsorship test
* feat: remove more i8n
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