Remove app task cancel code in apps grid

src/views/apps.js

@@ -179,36 +179,6 @@ angular.module('Application').controller('AppsController', ['$scope', '$location
         }
     };
 
-    $scope.appCancel = {
-        app: {},
-        busy: false,
-
-        show: function (app) {
-            $scope.appCancel.app = app;
-            $scope.appCancel.busy = false;
-
-            $('#appCancelModal').modal('show');
-        },
-
-        submit: function () {
-            $scope.appCancel.busy = true;
-
-            Client.stopTask($scope.appCancel.app.taskId, function (error) {
-                if (error) Client.error(error);
-
-                setTimeout(function () { // small delay for UI
-                    $scope.appCancel.busy = false;
-
-                    Client.refreshAppCache($scope.appCancel.app.id); // reflect the new app state immediately
-
-                    $('#appCancelModal').modal('hide');
-                }, 1000);
-            });
-
-            return false; // prevent propagation and default
-        }
-    };
-
     $scope.appInfo = {
         app: {},
         message: ''
@@ -339,10 +309,6 @@ angular.module('Application').controller('AppsController', ['$scope', '$location
         return user.username ? user.username : user.email;
     };
 
-    $scope.cancel = function () {
-        window.history.back();
-    };
-
     function fetchUsers() {
         Client.getUsers(function (error, users) {
             if (error) {