chore(e2e): remove E2E tests

apps/connection-manager/test/app.e2e-spec.ts

-import type { INestApplication } from '@nestjs/common';
-import type { TestingModule } from '@nestjs/testing';
-
-import { afterEach, beforeEach, describe, it } from '@jest/globals';
-import { Test } from '@nestjs/testing';
-import request from 'supertest';
-
-import AppModule from '../src/app.module.js';
-
-describe('AppController (e2e)', () => {
-  let app: INestApplication;
-
-  beforeEach(async () => {
-    const moduleFixture: TestingModule = await Test.createTestingModule({
-      imports: [AppModule],
-    }).compile();
-
-    app = moduleFixture.createNestApplication();
-    await app.init();
-  });
-
-  afterEach(async () => {
-    await app.close();
-  });
-
-  it('/v1/health (GET)', () =>
-    request(app.getHttpServer()).get('/health').expect(200));
-});

apps/connection-manager/test/jest.config.js

-/** @type {import('jest').Config} */
-
-import config from '../jest.config.js';
-
-export default {
-  ...config,
-  rootDir: '.',
-  testRegex: '.*\\.e2e-spec\\.ts$',
-};