Docs: Improved InstancedMesh page. (#22639)

docs/api/en/objects/InstancedMesh.html

@@ -16,9 +16,6 @@
 		objects with the same geometry and material but with different world transformations. The usage of [name] will help you
 		to reduce the number of draw calls and thus improve the overall rendering performance in your application.
 		</p>
-		<p>
-		The current implementation requires that materials are not shared between [name] and other 3D objects.
-		</p>
 
 		<h2>Examples</h2>
 

docs/api/zh/objects/InstancedMesh.html

@@ -15,9 +15,6 @@
 		一种具有实例化渲染支持的特殊版本的[page:Mesh]。你可以使用 [name] 来渲染大量具有相同几何体与材质、但具有不同世界变换的物体。
 		使用 [name] 将帮助你减少 draw call 的数量，从而提升你应用程序的整体渲染性能。
 		</p>
-		<p>
-		当前的实现需要[name]和其它3D物体间不共享材质。
-		</p>
 
 		<h2>示例</h2>