Issue #56, Remove remaining SIDEBAR_SEARCH and web_main_settings code

mayan/apps/navigation/templates/generic_link_instance.html

@@ -1,5 +1,3 @@
-{% load main_settings_tags %}
-
 {% if link.disabled %}
     <a class="{{ link.class }}" style="cursor: default;" href="#">{% if link.famfam %}<span class="famfam inactive famfam-{{ link.famfam|default:'link' }}"></span>{% endif %}{{ link.text }}{% if link.error %} - {{ link.error }}{% endif %}{% if link.active and not hide_active_anchor %}<span class="famfam active famfam-resultset_previous"></span>{% endif %}</a>{% if horizontal %}{% if not forloop.last %} | {% endif %}{% endif %}
 {% else %}