Examples: Simplify bloom emissive demo. (#29215)

examples/webgpu_postprocessing_bloom_emissive.html

@@ -94,8 +94,7 @@
 				const bloomPass = emissivePass.bloom( 2.5, .5 );
 
 				postProcessing = new THREE.PostProcessing( renderer );
-				postProcessing.outputColorTransform = false;
-				postProcessing.outputNode = outputPass.add( bloomPass ).renderOutput();
+				postProcessing.outputNode = outputPass.add( bloomPass );
 
 				//