elfutils: Drop libdw/known-dwarf.h

This file is autogenerated and an implementation detail of libdw. Unless
we need it for libdw, we should not carry it around. And if we need it
we should generate it from the sources through the build system.

Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: I0225e028fdedb272a46dd2b9e09f4d3195dfb0ed
1 file changed