Remove copyright headers

src/app/app.component.ts

@@ -1,6 +1,3 @@
-// Copyright (C) 2018 Avatao.com Innovative Learning Kft.
-// All Rights Reserved. See LICENSE file for details.
-
 import { Component, OnInit } from '@angular/core';
 import { Title } from '@angular/platform-browser';
 import { config } from './config';