message: app: remove copyright header in plugins list to avoid create-plugin mangling
diff: -/*
  - * Copyright 2020 Spotify AB
  - *
  - * Licensed under the Apache License, Version 2.0 (the "License");
  - * you may not use this file except in compliance with the License.
  - * You may obtain a copy of the License at
  - *
  - * http://www.apache.org/licenses/LICENSE-2.0
  - *
  - * Unless required by applicable law or agreed to in writing, software
  - * distributed under the License is distributed on an "AS IS" BASIS,
  - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  - * See the License for the specific language governing permissions and
  - * limitations under the License.
  - */
  -
  +/* eslint-disable notice/notice */
  export { default as HomePagePlugin } from '@spotify-backstage/plugin-home-page';
  export { default as WelcomePlugin } from '@spotify-backstage/plugin-welcome';
  