hg: jigsaw/m2/nashorn: Remove the extension mechanism

[mandy . chung]

Changeset: 23d881bb7a79
Author:    sundar
Date:      2014-11-03 14:07 -0800
URL:       http://hg.openjdk.java.net/jigsaw/m2/nashorn/rev/23d881bb7a79

Remove the extension mechanism

! make/build.xml
! test/script/nosecurity/JDK-8050964.js
! test/script/nosecurity/JDK-8055034.js
! test/src/jdk/nashorn/internal/test/framework/ScriptRunnable.java