[Reseller] [Feature flag] Cleanup limited_access_modal FF

Summary

This issue is to cleanup the limited_access_modal feature flag, after the feature flag has been enabled by default for an appropriate amount of time in production.

Owners

• Team: ~"group::billing and subscription management"
• Most appropriate slack channel to reach out to: #g_billing_and_subscription_management
• Best individual to reach out to: @dzubova
• PM: @tgolubeva

Stakeholders

@tgolubeva

Expectations

What might happen if this goes wrong?

• all users see this modal when they click these buttons
• nobody sees the modal
• the request fails and the pages are not usable

Cleaning up the feature flag

• Create a merge request to remove limited_access_modal feature flag. Ask for review and merge it.
  • Remove all references to the feature flag from the codebase.
  • Remove the YAML definitions for the feature from the repository.
  • Create a changelog entry.
• Ensure that the cleanup MR has been deployed to both production and canary. If the merge request was deployed before the code cutoff, the feature can be officially announced in a release blog post.
  • /chatops run auto_deploy status 82672824f8506c6863a2307d3f1c125552080f7a
• Close the feature issue to indicate the feature will be released in the current milestone.
• If not already done, clean up the feature flag from all environments by running these chatops command in #production channel:
  • /chatops run feature delete limited_access_modal --dev
  • /chatops run feature delete limited_access_modal --staging
  • /chatops run feature delete limited_access_modal
• Close this rollout issue.