musicbrainz : moved unused files to obsolete dir

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>

diff --git a/recipes/musicbrainz/files/libmusicbrainz-2.1.5-gcc43.patch b/recipes/obsolete/musicbrainz/files/libmusicbrainz-2.1.5-gcc43.patch
similarity index 100%
rename from recipes/musicbrainz/files/libmusicbrainz-2.1.5-gcc43.patch
rename to recipes/obsolete/musicbrainz/files/libmusicbrainz-2.1.5-gcc43.patch