Examples: Removing antialias for `webgpu_backdrop_water` (#30206)

examples/webgpu_backdrop_water.html

@@ -191,7 +191,7 @@
 
 				// renderer
 
-				renderer = new THREE.WebGPURenderer( { antialias: true } );
+				renderer = new THREE.WebGPURenderer();
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 				renderer.setAnimationLoop( animate );