chore(e2e): Remove ReduceOnBoardingTaskList from e2e config (#24260)

e2e-tests/playwright/support/server/default_config.ts

@@ -674,7 +674,6 @@ const defaultServerConfig: AdminConfig = {
         PostPriority: true,
         WysiwygEditor: false,
         PeopleProduct: false,
-        ReduceOnBoardingTaskList: false,
         ThreadsEverywhere: false,
         OnboardingTourTips: true,
         DeprecateCloudFree: false,