去掉obi，使用自写绳索

Assets/Obi/Scripts/Common/DataStructures/NativeList/ObiNativeMatrix4x4List.cs

@@ -1,23 +0,0 @@
-using System;
-using UnityEngine;
-
-namespace Obi
-{
-    [Serializable]
-    public class ObiNativeMatrix4x4List : ObiNativeList<Matrix4x4>
-    {
-        public ObiNativeMatrix4x4List() { } // TODO: WTF???? why does this prevent a crash?
-        public ObiNativeMatrix4x4List(int capacity = 8, int alignment = 16) : base(capacity, alignment)
-        {
-            for (int i = 0; i < capacity; ++i)
-                this[i] = Matrix4x4.identity;
-        }
-
-        public ObiNativeMatrix4x4List(int capacity, int alignment, Matrix4x4 defaultValue) : base(capacity, alignment)
-        {
-            for (int i = 0; i < capacity; ++i)
-                this[i] = defaultValue;
-        }
-    }
-}
-