ux: remove webpack (hmr) from starter repo

src/main.hmr.ts

@@ -1,15 +0,0 @@
-import { NestFactory } from '@nestjs/core';
-import { AppModule } from './app.module';
-
-declare const module: any;
-
-async function bootstrap() {
-  const app = await NestFactory.create(AppModule);
-  await app.listen(3000);
-
-  if (module.hot) {
-    module.hot.accept();
-    module.hot.dispose(() => app.close());
-  }
-}
-bootstrap();