remove unused {% load link %}

templates/svxcaveseveral.html

@@ -1,14 +1,9 @@
 {% extends "base.html" %}
-
-{% load link %}
-
 {% block title %}List of survex files{% endblock %}
 
 {% block content %}
     <!-- the only thing passed into this template is a list of object identifiers for caves.
     All the processing to extract the survex subdriectories and survex files is done in this template -->
-
-
 {% for cave in caves %}
 
     {% autoescape off %}