Probably when we fixed TMH with proper module loading, we forgot about this dependency and no one has noticed (for like a year ???).
Related Gerrit Patches:
|mediawiki/extensions/Score : master||Regression fix for TMH + Score integration|
|Resolved||brion||T148716 Score extension no longer features TMH player for generated <audio> elements|
|Open||None||T135501 Formalize how TMH provides a player for Score-generated ogg/vorbis files|