configury: remove references to lua52compat.h.
configury: remove references to lua52compat.h.

* local.mk (EXTRA_DIST): Remove ext/yaml/luacompat.h.

Signed-off-by: Gary V. Vaughan <f9023000f29773649f3850298becb9544b5fd6a9@gnu.org>

GUI/lyaml,GUI/lyaml