hg: jdk/sandbox: Remove metaDebug since it is unused; may reinstate in some other form if needed

[thomas.stuefe at gmail.com]

Changeset: bc3d0324db94
Author:    stuefe
Date:      2020-03-26 14:20 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/bc3d0324db94

Remove metaDebug since it is unused; may reinstate in some other form if needed

! src/hotspot/share/memory/metaspace/chunkManager.cpp
- src/hotspot/share/memory/metaspace/metaDebug.cpp
- src/hotspot/share/memory/metaspace/metaDebug.hpp
! src/hotspot/share/memory/metaspace/metachunk.cpp
! src/hotspot/share/memory/metaspace/metaspaceCommon.hpp
! src/hotspot/share/memory/metaspace/rootChunkArea.cpp
! src/hotspot/share/memory/metaspace/spaceManager.cpp