Examples: Clean up.

examples/js/loaders/BasisTextureLoader.js

@@ -140,7 +140,7 @@ THREE.BasisTextureLoader.prototype = Object.assign( Object.create( THREE.Loader.
 
 				var config = this.workerConfig;
 
-				var { width, height, hasAlpha, mipmaps, format } = message;
+				var { width, height, mipmaps, format } = message;
 
 				var texture;
 

examples/jsm/loaders/BasisTextureLoader.js

@@ -153,7 +153,7 @@ BasisTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ),
 
 				var config = this.workerConfig;
 
-				var { width, height, hasAlpha, mipmaps, format } = message;
+				var { width, height, mipmaps, format } = message;
 
 				var texture;
 

examples/jsm/loaders/OBJLoader2.js

@@ -4,7 +4,6 @@
  */
 
 import {
-	LoadingManager,
 	FileLoader,
 	Object3D,
 	Loader