Cleanup AiErrorAssistant todos post plans changes (#35067)

* feat: cleaning up ai quota leftovers

fix: removing more straggler invos

* fix: featureUpdater still need analyticsId in the user projection

* feat: updating cypress tests to also check for fair usage text

GitOrigin-RevId: 09c1167106c144084c111beea56867f6aa4a0906

services/web/types/subscription/plan.ts

@@ -2,8 +2,6 @@ import { StripeCurrencyCode } from './currency'
 
 export type Features = {
   aiUsageQuota: 'free' | 'basic' | 'standard' | 'unlimited'
-  // todo: quota clean-up: remove aiErrorAssistant once migration finishes
-  aiErrorAssistant?: boolean
   collaborators: number
   compileGroup: string
   compileTimeout: number

services/web/types/user.ts

@@ -10,7 +10,6 @@ export type RefProviders = {
 export type UserId = Brand<string, 'UserId'>
 
 export type Features = {
-  aiErrorAssistant?: boolean
   aiUsageQuota?: string
   collaborators?: number
   compileGroup?: 'standard' | 'priority'