motion: attribution matches the 157-clip library (7 authored clips withdrawn)

motion/ATTRIBUTION-v2.md

@@ -381,7 +381,11 @@ includes CC-BY licensed work requiring the following credits:
 
 
 ## QtMeshEditor authored clips (2026-09)
-- walk, run, idle, wave, jump, punch, kick, march, cheer, sit, throw, dance, hang, crawl — authored
+- walk, idle, wave, jump, march, cheer, hang — authored
   procedurally in-house for QtMeshEditor (keyframed on a Mixamo-convention
   rig, extracted with `qtmesh anim --dump-canonical --v2`). No third-party
   motion data. License: CC0-1.0.
+
+- Withdrawn 2026-09: run, punch, kick, sit, throw, dance and crawl were
+  authored but did not reach usable quality and were removed from the
+  library. Those actions are served by the CC-BY/CC0 corpus clips above.