Merge pull request #19737 from theundebruijn/patch-1

Removed trailing comma (breaking strict es6 build)

src/core/BufferAttribute.js

@@ -207,7 +207,7 @@ Object.assign( BufferAttribute.prototype, {
 				_vector2.fromBufferAttribute( this, i );
 				_vector2.applyMatrix3( m );
 
-				this.setXY( i, _vector2.x, _vector2.y, );
+				this.setXY( i, _vector2.x, _vector2.y );
 
 			}