refactor: remove depreacted about

src/fellchensammlung/templates/fellchensammlung/about.html

@@ -1,55 +0,0 @@
-{% extends "fellchensammlung/base_generic.html" %}
-{% load i18n %}
-{% load custom_tags %}
-
-{% block title %}<title>{% translate "Über uns und Regeln" %}</title>{% endblock %}
-
-{% block content %}
-    {% if about_us %}
-        <div class="card">
-            <h1>{{ about_us.title }}</h1>
-            <p>
-                {{ about_us.content | render_markdown }}
-            </p>
-        </div>
-    {% endif %}
-
-    <h2>{% translate "Regeln" %}</h2>
-    {% include "fellchensammlung/lists/list-rules.html" %}
-
-    {% if faq %}
-        <div class="card">
-            <h2>{{ faq.title }}</h2>
-            <p>
-                {{ faq.content | render_markdown }}
-            </p>
-        </div>
-    {% endif %}
-
-    {% if privacy_statement %}
-        <div class="card">
-            <h2>{{ privacy_statement.title }}</h2>
-            <p>
-                {{ privacy_statement.content | render_markdown }}
-            </p>
-        </div>
-    {% endif %}
-
-    {% if terms_of_service %}
-        <div class="card">
-            <h2>{{ terms_of_service.title }}</h2>
-            <p>
-                {{ terms_of_service.content | render_markdown }}
-            </p>
-        </div>
-    {% endif %}
-
-    {% if imprint %}
-        <div class="card">
-            <h2>{{ imprint.title }}</h2>
-            <p>
-                {{ imprint.content | render_markdown }}
-            </p>
-        </div>
-    {% endif %}
-{% endblock %}