Docs: Remove renderBufferDirect(). (#22706)

docs/api/en/renderers/WebGLRenderer.html

@@ -414,9 +414,6 @@
 			[page:WebGLRenderer.autoClearDepth autoClearDepth] properties to false. To forcibly clear one ore more buffers call [page:WebGLRenderer.clear .clear].
 		</p>
 
-		<h3>[method:null renderBufferDirect]( [param:Camera camera], [param:Scene scene], [param:BufferGeometry geometry], [param:Material material], [param:Object3D object], [param:Object group] )</h3>
-		<p>Render a buffer geometry group using the camera and with the specified material.</p>
-
 		<h3>[method:null resetState]()</h3>
 		<p>Can be used to reset the internal WebGL state. This method is mostly relevant for applications which share a single WebGL context across multiple WebGL libraries.</p>
 

docs/api/zh/renderers/WebGLRenderer.html

@@ -368,9 +368,6 @@
 			即便forceClear设为true, 也可以通过将[page:WebGLRenderer.autoClearColor autoClearColor]、[page:WebGLRenderer.autoClearStencil autoClearStencil]或[page:WebGLRenderer.autoClearDepth autoClearDepth]属性的值设为false来阻止对应缓存被清除。
 		</p>
 
-		<h3>[method:null renderBufferDirect]( [param:Camera camera], [param:Scene scene], [param:BufferGeometry geometry], [param:Material material], [param:Object3D object], [param:Object group] )</h3>
-		<p>使用相机和指定材质渲染缓冲几何组。</p>
-
 		<h3>[method:null resetState]()</h3>
 		<p>Can be used to reset the internal WebGL state. This method is mostly relevant for applications which share a single WebGL context across multiple WebGL libraries.</p>