removes css originating from ODSH and CKAN

ckanext/odsh/templates/base.html

 {% ckan_extends %}
 
 {% block styles %}
-{{ super() }}
 {% resource 'odsh/odsh.js' %}
-<link rel="stylesheet" href="/odsh.css?refresh={{ range(1,10000) | random }}" />
 <link rel="stylesheet" href="/tpsh.css?refresh={{ range(1,10000) | random }}" />
-<link rel="stylesheet" href="/odsh_header.css?refresh={{ range(1,10000) | random }}" />
 <link rel="stylesheet" href="/bootstrap-multiselect.css" />
 {% resource 'odsh/autocomplete' %}
 {% endblock %}