Remove the linked reference and deprecated keyword

Remove refers to non-public @flaggedAPI's from the public docs.
Will add them back once the API is finalized.

Also removed the deprecated keyword and add it back when
next window for API changes opens

Test: m && cts
Fix: 310900277
Change-Id: If44b8a453de9401cc9ae87be98d737de5d1cabc7
2 files changed