Links update & translations typos fixes (#671)

* Remove BDF link (as BDF is now part of AE)

* Remove unused pages

* Fix typos

* Fix typo again

club/templates/club/club_sellings.jinja

@@ -2,7 +2,7 @@
 {% from 'core/macros.jinja' import user_profile_link, paginate %}
 
 {% block content %}
-<h3>{% trans %}Sellings{% endtrans %}</h3>
+<h3>{% trans %}Sales{% endtrans %}</h3>
 <form id="form" action="?page=1" method="post">
     {% csrf_token %}
     {{ form }}

club/templates/club/club_tools.jinja

@@ -30,7 +30,7 @@
     {% endif %}
     </ul>
     {% if object.club_account.exists() %}
-        <h4>{% trans %}Accouting: {% endtrans %}</h4>
+        <h4>{% trans %}Accounting: {% endtrans %}</h4>
         <ul>
         {% for ca in object.club_account.all() %}
             <li><a href="{{ url('accounting:club_details', c_account_id=ca.id) }}">{{ ca.get_display_name() }}</a></li>