[fix] menu without js - closes #747

searx/templates/oscar/categories.html

@@ -3,7 +3,6 @@
     {% for category in categories | reverse %}
         <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />
         <label for="checkbox_{{ category|replace(' ', '_') }}">{{ _(category) }}</label>
-        </label>
     {% endfor %}
 {% else %}
     {% for category in categories %}