refactor: remove additional mock implentation in tests

packages/backend/test/setup/global-hooks.ts

@@ -1,16 +1,6 @@
 import { Model } from 'objection';
 import { client as knex } from '../../src/config/database';
 import logger from '../../src/helpers/logger';
-import { mockConfigState, resetMockConfig } from './set-mock-config';
-
-jest.mock('../../src/config/app', () => ({
-  ...jest.requireActual('../../src/config/app').default,
-  get isCloud() {
-    return mockConfigState.isCloud !== undefined
-      ? mockConfigState.isCloud
-      : jest.requireActual('../../src/config/app').default.isCloud;
-  },
-}));
 
 global.beforeAll(async () => {
   global.knex = null;
@@ -33,7 +23,6 @@ global.afterEach(async () => {
   Model.knex(knex);
 
   jest.clearAllMocks();
-  resetMockConfig();
 });
 
 global.afterAll(async () => {