Remove explicit naming of contributing organisations

It belongs on the project website.

aleksis/core/menus.py

@@ -134,8 +134,6 @@ MENUS = {
     ],
     "FOOTER_MENU_CORE": [
         {"name": _("Website"), "url": "https://aleksis.edugit.io/"},
-        {"name": "Teckids e.V.", "url": "https://www.teckids.org/"},
-        {"name": "Katharineum zu Lübeck", "url": "https://katharineum-zu-luebeck.de"}
     ],
     "DATA_MANAGEMENT_MENU": [],
     "SCHOOL_MANAGEMENT_MENU": [

aleksis/core/templates/common/about.html

-{% load martortags %}
-
-{% include "partials/header.html" %}
-<main>
-
-    <div class="card">
-        <div class="card-content">
-            <span class="card-title">Entwickler und Copyright</span>
-            <p>{{ COPYRIGHT|linebreaksbr|safe_markdown }}</p>
-            <br>
-            <p>
-                GitHub:
-                <a href="https://github.com/Katharineum/school-apps">https://github.com/Katharineum/school-apps</a>
-            </p>
-            <p>
-                Kontakt:
-                <a href="mailto:support@katharineum.de">support@katharineum.de</a>
-            </p>
-        </div>
-    </div>
-
-    <div class="card">
-        <div class="card-content">
-            <span class="card-title">Lizenz</span>
-EUPL v1.2 or later
-        </div>
-    </div>
-    <div class="card">
-        <div class="card-content">
-            <span class="card-title">Verwendete Open-Source-Komponenten</span>
-            Folgende Open-Source-Komponenten wurden in SchoolApps benutzt:
-
-            <ul class="collection">
-                {% for component in components %}
-                    <li class="collection-item">
-                        <h6>{{ component.0 }}</h6>
-                        <p style="margin-bottom: 10px;">
-                            <a href="{{ component.1 }}">{{ component.1 }}</a>
-                            · Lizensiert unter der
-                            <a href="{{ component.3 }}">{{ component.2 }}</a>
-                        </p>
-                    </li>
-                {% endfor %}
-            </ul>
-
-            Ein Anspruch auf Vollständigkeit wird nicht erhoben.
-        </div>
-    </div>
-</main>
-
-{% include "partials/footer.html" %}

aleksis/core/templates/core/base.html

@@ -135,14 +135,7 @@
         <a class="blue-text text-lighten-4" href="https://aleksis.edugit.org/">
           AlekSIS — The Free School Information System
         </a>
-        © The AlekSIS Team @
-        <a class="blue-text text-lighten-4" href="https://www.teckids.org">
-          Teckids e.V.
-        </a>
-        and
-        <a class="blue-text text-lighten-4" href="https://katharineum-zu-luebeck.de">
-          Katharineum zu Lübeck
-        </a>
+        © The AlekSIS Team
       </div>
       <div class="right">
         <span id="doit"></span>