eliminando ruta hello world

import { Controller, Get } from '@nestjs/common';

import { Controller } from '@nestjs/common';

import { AppService } from './app.service';

@Controller()

export class AppController {

  constructor(private readonly appService: AppService) {}

  @Get()

  getHello(): string {

    return this.appService.getHello();

  }

}

import { Injectable } from '@nestjs/common';

@Injectable()

export class AppService {

  getHello(): string {

    return 'Hello World!';

  }

}

export class AppService {}