Remove tiers and minds+/pro subscriptions

Ticket(s) / Related Merge Requests

#4176 (closed)

Summary of Changes

• Removes the membership subscription option from the channel screen (But not the membership management in your own channel)
• Removes the minds+/pro subscription as an option to verify the uniqueness from the onboarding screen

Testing Considerations

• Test that the options are removed from iOS
• Verify that the options are available on Android

Regression Scope

None

Platform Affected (web, mobile, etc)

iOS

Developer Testing Completed

Tested on both platforms