Examples: Cleanup `webgl_reverse_depth_buffer`. (#30989)

examples/webgl_reverse_depth_buffer.html

@@ -113,7 +113,6 @@
 			const meshes = [];
 
 			const renderTarget = new THREE.WebGLRenderTarget();
-			renderTarget.type = THREE.UnsignedByteType;
 			renderTarget.depthTexture = new THREE.DepthTexture();
 			renderTarget.depthTexture.type = THREE.FloatType;