no need for EnabledNode to change cursor, scenery handles this when p…

…ickable:false, #643

js/EnabledNode.js

@@ -48,17 +48,13 @@ const EnabledNode = {
         // this call defines enabledProperty
         this.initializeEnabledPhetioObject( options );
 
-        const cursor = this.cursor;
         const enabledListener = enabled => {
           this.interruptSubtreeInput();
           this.pickable = enabled;
           this.opacity = enabled ? 1.0 : options.disabledOpacity;
 
           // Mark this Node as disabled in the ParallelDOM
           this.setAccessibleAttribute( 'aria-disabled', !enabled );
-
-          // handle cursor by supporting setting back to what the cursor was when component was made disabled.
-          this.cursor = enabled ? cursor : 'default';
         };
         this.enabledProperty.link( enabledListener );
 

js/EnabledNodeTests.js

@@ -34,16 +34,12 @@ QUnit.test( 'EnabledNode', assert => {
   testEnabledNode( assert, node, 'For Node' );
 
   const disabledOpacity = .2;
-  const customCursor = 'hi';
   node = new EnabledNodeClass( {
-    disabledOpacity: disabledOpacity,
-    cursor: customCursor
+    disabledOpacity: disabledOpacity
   } );
 
-  assert.ok( node.cursor === customCursor, 'cursor should be set' );
   assert.ok( node.opacity === new Node().opacity, 'opacity should default to Node default' );
   node.enabled = false;
-  assert.ok( node.cursor !== customCursor, 'enabled listener should have changed cursor' );
   assert.ok( node.opacity === disabledOpacity, 'test disabled opacity' );
 
   node.disposeEnabledNode();

js/buttons/ButtonNode.js

@@ -48,9 +48,6 @@ class ButtonNode extends Node {
 
     super();
 
-    //TODO https://github.com/phetsims/sun/issues/643 delete this when options are passed to super
-    this.cursor = options.cursor;
-
     // @protected
     this.buttonModel = buttonModel;