<span id="tab_list">
    <span {{#if stream_settings_link}}class="stream"{{/if}} {{#if data}}data-name="{{data}}"{{/if}}>
        {{#if icon}}
        <i class="fa fa-{{icon}}" aria-hidden="true"></i>
        {{/if}}
        {{#if stream_settings_link}}
        <a href="{{stream_settings_link}}">{{title}}</a>
        {{else}}
        {{title}}
        {{/if}}
    </span>
    {{#if sub_count}}
    <span class="sub_count" data-toggle="tooltip" title="{{sub_count}} users are subscribed to #{{title}}"><i class="fa fa-user-o"></i>{{formatted_sub_count}}</span>
    {{/if}}
    {{#if rendered_narrow_description}}
    <span class="narrow_description rendered_markdown" data-toggle="tooltip">{{rendered_markdown rendered_narrow_description}}</span>
    {{/if}}
    <span class="search_icon search_closed" ><i class="fa fa-search" aria-hidden="true"></i></span>
</span>

<span id="tab_list">
    <span {{#if stream_settings_link}}class="stream"{{/if}}>
        {{#if icon}}
        <i class="fa fa-{{icon}}" aria-hidden="true"></i>
        {{/if}}
        {{#if stream_settings_link}}
        <a href="{{stream_settings_link}}">{{title}}</a>
        {{else}}
        {{title}}
        {{/if}}
    </span>
    {{#if sub_count}}
    <span class="sub_count" data-toggle="tooltip" title="{{sub_count}} users are subscribed to #{{title}}"><i class="fa fa-user-o"></i>{{formatted_sub_count}}</span>
    {{/if}}
    {{#if rendered_narrow_description}}
    <span class="narrow_description rendered_markdown" data-toggle="tooltip">{{rendered_markdown rendered_narrow_description}}</span>
    {{/if}}
    <span class="search_icon search_closed" ><i class="fa fa-search" aria-hidden="true"></i></span>
</span>

Drop obsolete data attribute on ".stream_settings_link".
navbar: Drop obsolete data attribute on ".stream_settings_link".

We stopped sending "data" to this template in
eb4a2b9d4e80d495bf0a11c87bb31d18e94e9cc0 but we did not remove it
from the template, probably as an oversight.
