remove old angular test which is no longer relevant and hasn't been of any use for a while.

resources/frontend_client/test/unit/controllers.spec.js

-'use strict';
-
-import 'metabase/controllers';
-
-describe('metabase.controllers', function() {
-    beforeEach(angular.mock.module('metabase.controllers'));
-
-    describe('Homepage', function() {
-        beforeEach(angular.mock.inject(function($location) {
-            spyOn($location, 'path').and.returnValue('Fake location');
-        }))
-
-        it('should redirect logged-out user to /auth/login', inject(function($controller, $location) {
-            $controller('Homepage', { $scope: {}, AppState: { model: { currentUser: null }} });
-            expect($location.path).toHaveBeenCalledWith('/auth/login');
-        }));
-
-        it('should redirect logged-in user to /dash/', inject(function($controller, $location) {
-            $controller('Homepage', { $scope: {}, AppState: { model: { currentUser: {} }} });
-            expect($location.path).toHaveBeenCalledWith('/dash/');
-        }));
-    });
-});