8198533: Remove obsolete JDIScaffold class from repo.
Summary: update one remaining test and remove JDIScaffold from repo.
Reviewed-by: sspitsyn, cjplummer
Welcome to OpenJDK!
===================
For information about building OpenJDK, including how to fully retrieve all
source code, please see either of these:
* doc/building.html (html version)
* doc/building.md (markdown version)
See http://openjdk.java.net/ for more information about OpenJDK.