Sharethrough: Clean up deprecated params and refresh supported userIds (#3593)
Sharethrough: Clean up deprecated params and refresh supported userIds (#3593)

* [PGE-178206549] Doc Update related to new Prebid Adapter

* [PGE-178206596] Indicate support for all User IDs
prebid/prebid.github.io,prebid/prebid.github.io,prebid/prebid.github.io