fix: clean up bad links and old html

data/www/admin/details.html

@@ -1,15 +1,5 @@
 {% extends "admin:base" %}
 {% block content %}
-<h1 class="text-body-emphasis">{{title}}</h1>
-<p class="fs-5 col-md-8">
-  You have reached the {{title}}. This site can be used by
-  the host of the challenge to see the challenge progress, solution, and
-  hints for that challenge. This site is <b>NOT</b> part of the
-  challenge.
-</p>
-
-<hr class="mb-5">
-
 <div class="row g-5 mb-5">
   <h2 class="text-body-emphasis">Challenge {{ challenge.id }} &mdash; {{ challenge.title }}</h2>
   <p class="mt-1 mb-3">{{ challenge.description }}</p>

data/www/admin/index.html

@@ -10,7 +10,7 @@
     <ul class="list-unstyled ps-0">
       {% for challenge in challenges %}
       <li>
-        <a class="icon-link mb-1" href="challenge/{{ challenge.id }}">
+        <a class="icon-link mb-1" href="/admin/challenge/{{ challenge.id }}">
           <svg class="bi" width="16" height="16">
             <use xlink:href="#arrow-right-circle" />
           </svg>

data/www/user/details.html

@@ -1,17 +1,6 @@
 {% extends "user:base" %}
 {% block title %}{{ title }}{% endblock %}
 {% block content %}
-<h1 class="text-body-emphasis">{{title}} User Interface</h1>
-<p class="fs-5 col-md-8">
-	You have reached the {{title}} User
-	Interface. This site can be used by the
-	contestants see the challenges and their
-	progress and hints for that challenge. This
-	site is <b>NOT</b> part of the challenge.
-</p>
-
-<hr class="mb-5">
-
 <div class="row g-5 mb-5">
 	<h2 class="text-body-emphasis">Challenge {{ challenge.idx}} &mdash; {{ challenge.title }}</h2>
 	<p class="mt-1 mb-3">{{ challenge.description }}</p>

data/www/user/index.html

@@ -10,7 +10,7 @@
 		<ul class="list-unstyled ps-0">
 			{% for challenge in challenges %}
 			<li>
-				<a class="icon-link mb-1" href="challenge/{{ challenge.id }}">
+				<a class="icon-link mb-1" href="/challenge/{{ challenge.id }}">
 					<svg class="bi" width="16" height="16">
 						<use xlink:href="#arrow-right-circle" />
 					</svg>