Nothing from that file is used in util/debug.h, it is only needed in
some places that get it indirectly via including util/debug.h, remove
that entanglement.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-hn9v4jdova2nt018fqsjyzun@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>