Clean unused feature flags

Ticket(s) / Related Merge Requests

#5414 (closed)

Removed FF and their current values:

  'mob-twitter-oauth-4715': false,
  'engine-2503-twitter-feats': false,
  'expic-303-boost-partners': true,
  'minds-3921-mandatory-onboarding-tags': false,
  'mob-4424-sockets': true,
  'mob-4596-create-modal': true,
  'mob-4722-track-code-push': true,
  'mob-4812-discovery-badge': false,
  'mob-4903-referrer-banner': false,
  'mob-4903-wefounder-banner': true,
  'mob-5009-boost-rotator-in-feed': true,
  'mob-5221-google-hide-tokens': true,
  'mob-discovery-redirect': false,
  'minds-3952-boost-goals': true,
  'mob-4938-newsfeed-for-you': true,
  'mob-4952-boost-platform-targeting': false,
  'mob-5038-discovery-consolidation': true,
  'mob-5075-hide-post-on-downvote': false,
  'mob-5075-explicit-vote-buttons': false,
  'mob-4637-ios-hide-minds-superminds': true,
  'minds-3639-plus-notice': { value: 3 },

(Any issue cards for the merge request, and related merge requests/dependencies)

Summary of Changes

(Summarize the changes made concisely)

• Changelog file updated with this template (one or more)
  • Added for new features.
  • Changed for changes in existing functionality.
  • Deprecated for soon-to-be removed features.
  • Removed for now removed features.
  • Fixed for any bug fixes.
  • Security in case of vulnerabilities.

Testing Considerations

A smoke test is required to check that nothing changed.

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Regression Scope

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Platform Affected (web, mobile, etc)

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Developer Testing Completed

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Screenshots

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Does this impact

• Localization
• Dark/light mode
• Guest mode

Related to #5414 (closed)