<section class="d-dropdown" id="notifications-dropdown">
  {{#if content}}
    <ul>
      {{#each}}
        <li {{bind-attr class="read"}}>{{unbound boundI18n scope linkBinding="link" usernameBinding="username"}}</li>
      {{/each}}
      <li class="read last">
        <a {{bind-attr href="currentUser.path"}}>{{i18n notifications.more}} &hellip;</a>
      </li>
    </ul>
  {{else}}
    <div class="none">{{i18n notifications.none}}</div>
  {{/if}}
</section>

<section class="d-dropdown" id="notifications-dropdown">
  {{#if content}}
    <ul>
      {{#each}}
        <li {{bind-attr class="read"}}>{{i18n scope linkBinding="link" usernameBinding="username"}}</li>
      {{/each}}
      <li class="read last">
        <a {{bind-attr href="currentUser.path"}}>{{i18n notifications.more}} &hellip;</a>
      </li>
    </ul>
  {{else}}
    <div class="none">{{i18n notifications.none}}</div>
  {{/if}}
</section>

Simplify usage of unbound i18n helper
Simplify usage of unbound i18n helper