smartx Bid Adapter: remove outstream_function, added pbjs_version_notes (#3086)
smartx Bid Adapter: remove outstream_function, added pbjs_version_notes (#3086)

* initial commit

* adjustments

* adjustments

* adjustments

* typo, further adjustments

* removed userIds and schain support

* Added optionals to outstream and made formatting

* Update smartx.md

minor edits for clarification and readability.

* adjusted outstream_options

* remove outstream_function, added pbjs_version_notes

Co-authored-by: Gino <cd16bf1bdc4026a6cf9cf61c601f05b78202bebe@smartclip.tv>
Co-authored-by: Jean Stemp <763f545cdeb40be77d875cd5030f229ee2859c96@users.noreply.github.com>
prebid/prebid.github.io,prebid/prebid.github.io,prebid/prebid.github.io