Fixed armature being marked as 'limbnode'

This also fixes issue with root bone overwritten - which should not happen as it is a hack.

Before the behaviour would create an additional bone which would end up breaking animations completely on import.

Additionally this fixes required bones being removed.

Co-authored-by: K. S. Ernest (iFire) Lee <ernest.lee@chibifire.com>

code/FBX/FBXMeshGeometry.cpp

@@ -115,7 +115,6 @@ MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::strin
 
     if(tempVerts.empty()) {
         FBXImporter::LogWarn("encountered mesh with no vertices");
-        return;
     }
 
     std::vector<int> tempFaces;
@@ -123,7 +122,6 @@ MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::strin
 
     if(tempFaces.empty()) {
         FBXImporter::LogWarn("encountered mesh with no faces");
-        return;
     }
 
     m_vertices.reserve(tempFaces.size());