message: demo: Update GLTFLoader.js from three.js upstream
  Removes mention of legacy GLTF loader since that has been removed.
diff: @@ -166,7 +166,7 @@ THREE.GLTFLoader = ( function () {
  if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {
  - if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported. Use LegacyGLTFLoader instead.' ) );
  + if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) );
  return;
  }
  @@ -456,7 +456,7 @@ THREE.GLTFLoader = ( function () {
  } else if ( this.header.version < 2.0 ) {
  - throw new Error( 'THREE.GLTFLoader: Legacy binary file detected. Use LegacyGLTFLoader instead.' );
  + throw new Error( 'THREE.GLTFLoader: Legacy binary file detected.' );
  }
  