Update CubeCamera.html

docs/api/zh/cameras/CubeCamera.html

@@ -80,9 +80,6 @@
 		<p>
 			这个方法用来来清除[page:CubeCamera.renderTarget renderTarget]的颜色、深度和/或模板缓冲区。
 			颜色缓冲区设置为渲染器当前的“清除”色。参数默认值均为*true*。
-
-		Call this to clear the [page:CubeCamera.renderTarget renderTarget] color, depth, and/or stencil buffers.
-		The color buffer is set to the renderer's current clear color. Arguments default to *true*.
 		</p>
 
 		<h2>源代码</h2>