VRM10 はすでに計算済みだったので remove

Assets/VRM10/Runtime/IO/Model/MeshImporter.cs

@@ -65,7 +65,6 @@ namespace UniVRM10
             // 頂点を更新
             MeshVertex.SetVertexBufferParamsToMesh(mesh, vertices.Length);
             mesh.SetVertexBufferData(vertices, 0, 0, vertices.Length);
-            mesh.RecalculateBounds();
 
             // 出力のNativeArrayを開放
             vertices.Dispose();

Assets/VRM10/Runtime/IO/Model/MeshImporterDivided.cs

@@ -276,7 +276,6 @@ namespace UniVRM10
             // VertexBufferを設定
             MeshVertex.SetVertexBufferParamsToMesh(resultMesh, vertices.Length);
             resultMesh.SetVertexBufferData(vertices, 0, 0, vertices.Length);
-            resultMesh.RecalculateBounds();
 
             // 各種バッファを破棄
             foreach (var disposable in disposables)