Don't pass launchContext to $extract

[ruscoder]

Revert some changes from b0bb383

We decided to revert it because it can lead to potential bugs connected to changeable data during extract at a different time (e.g. the client saved QR but extract was delayed by bug or something else, and when we run extract again - it can give not expected results)

[ir4y]

This feature is actively used in https://github.com/beda-software/fhir-emr
https://github.com/beda-software/fhir-emr/blob/master/resources/seeds/Mapping/gad-7-extract.yaml#L7

So we need to find a better and more convent way for support history via Provenance