remove old_postonboarding gate

src/lib/statsig/gates.ts

@@ -4,7 +4,6 @@ export type Gate =
   | 'debug_show_feedcontext'
   | 'debug_subscriptions'
   | 'explore_show_suggested_feeds'
-  | 'old_postonboarding'
   | 'onboarding_add_video_feed'
   | 'post_threads_v2_unspecced'
   | 'reengagement_features'

src/screens/Onboarding/StepFinished.tsx

@@ -204,9 +204,7 @@ export function StepFinished() {
     setSaving(false)
     setActiveStarterPack(undefined)
     setHasCheckedForStarterPack(true)
-    startProgressGuide(
-      gate('old_postonboarding') ? 'like-10-and-follow-7' : 'follow-10',
-    )
+    startProgressGuide('follow-10')
     dispatch({type: 'finish'})
     onboardDispatch({type: 'finish'})
     logEvent('onboarding:finished:nextPressed', {