hg: jdk/sandbox: First cleaning up attempt

[magnus.ihse.bursie at oracle.com]

Changeset: ceb4add84015
Author:    ihse
Date:      2020-03-11 13:01 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/ceb4add84015

First cleaning up attempt

! make/CompileDemos.gmk
! make/CompileInterimLangtools.gmk
! make/CompileJavaModules.gmk
! make/ToolsLangtools.gmk
! make/autoconf/bootcycle-spec.gmk.in
! make/autoconf/build-performance.m4
! make/autoconf/spec.gmk.in
! make/common/JavaCompilation.gmk
! make/common/SetupJavaCompilers.gmk
! make/hotspot/gensrc/GensrcJfr.gmk
! make/hotspot/gensrc/GensrcJvmti.gmk
! make/launcher/Launcher-jdk.compiler.gmk
! make/test/BuildMicrobenchmark.gmk