Fix syntax

Author: dy

test/jasmine/tests/gl2d_plot_interact_test.js

@@ -697,7 +697,7 @@ describe('@gl Test gl2d plots', function() {
         })
         .then(function() {
             expect(relayoutCallback).toHaveBeenCalledTimes(1);
-          
+
         })
         .catch(fail)
         .then(done);

test/jasmine/tests/gl3d_plot_interact_test.js

@@ -652,7 +652,7 @@ describe('@gl Test gl3d modebar handlers', function() {
 });
 
 describe('@gl Test gl3d drag and wheel interactions', function() {
-    var gd, relayoutCallback;
+    var gd;
 
     function scroll(target, amt) {
         return new Promise(function(resolve) {