add comments

src/carrera/carreras.controller.ts

@@ -1,10 +1,4 @@
-import {
-  Controller,
-  Get,
-  Header,
-  HttpCode,
-  Logger,
-} from '@nestjs/common';
+import { Controller, Get, Header, HttpCode, Logger } from '@nestjs/common';
 
 import { CarrerasService } from './carreras.service';
 

src/carrera/carreras.service.ts

@@ -1,6 +1,5 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { EjeEstrategico } from '../entities/ejesEstrategicos.entity';
 import { Repository } from 'typeorm';
 import { Carrera } from '../entities/carreras.entity';