message: show the top header part for homepage split test
diff: <div class="route-discover-home">
  - <section class="section landing-header text-center" v-if="variation === 1">
  + <section class="section landing-header text-center">
  <div class="container">
  <div class="row">
  <div class="col-sm-10 col-md-8 col-lg-7 col-centered">
  </div>
  </section>
  - <section class="section section-thin fill-darker">
  - <h2 class="section-header text-center" v-if="variation === 2">
  - <translate>Browse Games</translate>
  - </h2>
  - <div class="overlay-scrollbar channel-list">
  + <section class="section section-thin fill-darker overlay-scrollbar channel-list">
  <div class="channel-list-item"
  v-for="channel of channels"
  :key="channel.id"
  >
  <app-channel-thumbnail :channel="channel.id" />
  </div>
  - </div>
  </section>
  <section class="section" v-if="variation === 2">
  