SSAAPassNode: Clean up. (#29647)

examples/jsm/tsl/display/SSAAPassNode.js

@@ -210,7 +210,6 @@ class SSAAPassNode extends PassNode {
 		this._quadMesh.material.depthWrite = false;
 		this._quadMesh.material.premultipliedAlpha = true;
 		this._quadMesh.material.blending = AdditiveBlending;
-		this._quadMesh.material.normals = false;
 		this._quadMesh.material.name = 'SSAA';
 
 		return super.setup( builder );