Rename tree to treeService in step-delete-dialog-controller

src/main/webapp/scripts/app/wizardEditor/wizardEditor-step-delete-dialog.controller.js

 'use strict';
 
 angular.module('ddaApp')
-  .controller('WizardEditorStepDeleteController', function($scope, $uibModalInstance, entity, Step, tree) {
+  .controller('WizardEditorStepDeleteController', function($scope, $uibModalInstance, entity, Step, treeService) {
 
     $scope.step = entity;
     $scope.clear = function() {
       $uibModalInstance.dismiss('cancel');
     };
     $scope.confirmDelete = function(id) {
-      console.log(tree);
-      tree.removeStep(id).then(function() {
+      treeService.removeStep(id).then(function() {
         $uibModalInstance.close(true);
       });
     };