Remove unneeded ui-bootstrap shim

This shim was used to facilitate the use of a newer version of the
'ui.bootstrap' module with an older version of Angular. Upgrading to
Angular 1.4 renders it surplus to requirements.

h/static/scripts/app.coffee

@@ -93,7 +93,7 @@ module.exports = angular.module('h', [
   'ngTagsInput'
   'ngWebSocket'
   'toastr'
-  require('./ui-bootstrap-custom')
+  'ui.bootstrap'
 ])
 
 .controller('AppController', require('./app-controller'))

h/static/scripts/ui-bootstrap-custom.js

-// this module is a wrapper around the 'ui.bootstrap' module which
-// provides shims/stubs needed to use a current custom build of
-// UI Bootstrap (which otherwise requires Angular 1.3.x) with Angular 1.2.x
-//
-// When/if the app is upgraded to Angular 1.3.x this module can
-// just be removed.
-var Promise = require('core-js/library/es6/promise');
-
-module.exports = 'ui.bootstrap';
-
-// import the upstream build of UI Bootstrap which defines the
-// 'ui.bootstrap' module and sub-modules for the components we are using
-require('./vendor/ui-bootstrap-custom-tpls-0.13.4');
-
-angular.module('ui.bootstrap')
-  // stub implementation of $templateRequest, which is used
-  // by optional features that we are not using in the dropdown menu directive
-  .factory('$templateRequest', function() {
-    return function () {
-      throw new Error('$templateRequest service is not implemented');
-    }
-  })
-  .config(function ($provide) {
-    // wrap the $animate service's addClass() and removeClass() functions
-    // to return a Promise (as in Angular 1.3.x) instead of taking a done()
-    // callback as the last argument (as in Angular 1.2.x)
-    $provide.decorator('$animate', function($delegate) {
-      return angular.extend({}, $delegate, {
-        addClass: function (element, className) {
-          return new Promise(function (resolve) {
-            $delegate.addClass(element, className, resolve)
-          });
-        },
-
-        removeClass: function (element, className) {
-          return new Promise(function (resolve) {
-            $delegate.removeClass(element, className, resolve);
-          });
-        }
-      });
-    });
-  });