Teardown interstitial payment page split test and implement active variant (#9732)

GitOrigin-RevId: 755fd2f8a1be48ab6520aaab34ca2ea5d070302d

services/web/frontend/js/main/account-upgrade.js

@@ -1,19 +1,10 @@
 import * as eventTracking from '../infrastructure/event-tracking'
-import getMeta from '../utils/meta'
-
-const interstitialPaymentAfterPaywallVariant =
-  getMeta('ol-splitTestVariants')?.['interstitial-payment-from-paywall'] ??
-  'default'
 
 function startFreeTrial(source, version, $scope) {
-  const plan = 'collaborator_free_trial_7_days'
-
   eventTracking.send('subscription-funnel', 'upgraded-free-trial', source)
   eventTracking.sendMB('paywall-click', { 'paywall-type': source })
 
   const searchParams = new URLSearchParams({
-    planCode: 'collaborator_free_trial_7_days',
-    ssp: 'true',
     itm_campaign: source,
   })
 
@@ -25,15 +16,7 @@ function startFreeTrial(source, version, $scope) {
     $scope.startedFreeTrial = true
   }
 
-  if (interstitialPaymentAfterPaywallVariant === 'active') {
-    window.open(
-      `/user/subscription/choose-your-plan?${searchParams.toString()}`
-    )
-  } else {
-    searchParams.set('ssp', 'true')
-    searchParams.set('planCode', plan)
-    window.open(`/user/subscription/new?${searchParams.toString()}`)
-  }
+  window.open(`/user/subscription/choose-your-plan?${searchParams.toString()}`)
 }
 
 function upgradePlan(source, $scope) {