Status of unshuffle

[Martin Buchholz]

The unshuffle infrastructure in

./bin/unshuffle_patch.sh
./bin/unshuffle_list.txt

is highly version specific, and has naturally bitrotted.  Maybe it should
simply be removed from openjdk-current.

Maybe a more flexible version of unshuffle could be built that would work
for any source and dest versions, by using the SCM's file-renaming
metadata.  It looks like y'all were careful to preserve that metadata.  But
probably no one has time to work on such a tool.