Cleanup feature flags #4078

Summary of Changes

feature flags got removed

Testing Considerations

nothing should be changed compared to prod

Regression Scope

• engagement buttons: thumb up, down, remind, comment
• blog screen
• blog card
• select hashtags is still shown after registration
• rewards push notif navigates to wallet (as it did before)
• permaweb option is there in composer and works fine in posts
• view on permaweb option exists in the activity action sheet
• creating posts with paywalls: crypto and USD options exist
• paywalled posts in general
• lock component (paywall lock component looks ok)
• paywalled videos
• drawer (rightmost tab) still has PlusDiscoveryScreen and Wallet options
• wire option and boost option in posts still exist
• edit option on the ellipsis menu of posts still exist for the owner
• comments disable and enabling exists (or doesn’t—shouldn't change) on the post menu
• paid content section on settings exists
• email confirmation component in the topbar was removed because it wasn’t being used
• payment method selection still has tokens, usd, btc, and eth in wire payment method selector
• subscription tiers still have usd option and crypto

Platform Affected (web, mobile, etc)

all