Remove xPixel and yPixel from funnelarea and pie tests, as they are non-cartesian shapes

Author: alexshoe

test/jasmine/tests/funnelarea_test.js

@@ -722,7 +722,7 @@ describe('funnelarea hovering', function() {
                 'data', 'fullData',
                 'label', 'color', 'value',
                 'percent', 'text',
-                'bbox', 'xPixel', 'yPixel'
+                'bbox'
             ];
 
             expect(typeof hoverData.points[0].bbox).toEqual('object');

test/jasmine/tests/pie_test.js

@@ -1032,7 +1032,7 @@ describe('pie hovering', function() {
                 'data', 'fullData',
                 'label', 'color', 'value',
                 'i', 'v', 'percent', 'text',
-                'bbox', 'xPixel', 'yPixel'
+                'bbox'
             ];
 
             expect(typeof hoverData.points[0].bbox).toEqual('object');