[RONs] Delete two redundant static flag wrappers

- PromotedNotificationUiForceExpanded
- PromotedNotificationUiAod

These wrappers already pointed to the same flag as PromotedNotificationUi, so this just removes the redundant flag guarding and test annotations.

Test: presubmit
Flag: android.app.ui_rich_ongoing
Bug: 367705002
Change-Id: I76ab4afba4defff988d974b6dc2528c10c1f299a