When downloading a vrm file, all bones from all traits gets merged into a single skeleton, but after this process, some bones may end up as empty nodes that do not affect geometry.
We should remove this bones, but we should be careful that these bones do not have child bones that do affect the geometry
When downloading a vrm file, all bones from all traits gets merged into a single skeleton, but after this process, some bones may end up as empty nodes that do not affect geometry.
We should remove this bones, but we should be careful that these bones do not have child bones that do affect the geometry