Update header.html

Author: cooper-lzy

overrides/partials/header.html

@@ -62,9 +62,6 @@
     </label>
     {% if "search" in config["plugins"] %}
       {% include "partials/search.html" %}
-    {% else %}
-      {% include "partials/algolia-search.html" %}
-    {% endif %}
     {% if config.repo_url %}
       <div class="md-header__source">
         {% include "partials/source.html" %}