Context Receivers are Deprecated and Marked for Removal

Context receivers have been deprecated and marked for removal, as-per https://github.com/Kotlin/KEEP/issues/259#issuecomment-2278319746. Replacing them are [Context Parameters](https://github.com/Kotlin/KEEP/issues/367). Once those are merged and released, context receiver support will be dropped completely from the compiler. So, when that happens silk needs to migrate to context parameters.