Remove lingering use of 'page-header'

BS removed that style

RIGS/rigboard.py

@@ -310,8 +310,10 @@ class EventAuthorise(generic.UpdateView):
     def get_context_data(self, **kwargs):
         context = super(EventAuthorise, self).get_context_data(**kwargs)
         context['event'] = self.event
-
         context['tos_url'] = settings.TERMS_OF_HIRE_URL
+        context['page_title'] = "{}: {}".format(self.event.display_id, self.event.name)
+        if self.event.dry_hire:
+            context['page_title'] += ' <span class="badge badge-secondary align-top">Dry Hire</span>'
         return context
 
     def get(self, request, *args, **kwargs):

RIGS/templates/eventauthorisation.html

@@ -17,18 +17,7 @@
     </script>
 {% endblock %}
 
-{% block title %}
-    {% if event.is_rig %}N{{ event.pk|stringformat:"05d" }}{% else %}{{ event.pk }}{% endif %} | {{ event.name }}
-{% endblock %}
-
 {% block content %}
-    <div class="page-header my-3">
-        <h1>
-            {% if event.is_rig %}N{{ event.pk|stringformat:"05d" }}{% else %}{{ event.pk }}{% endif %}
-            | {{ event.name }} {% if event.dry_hire %}<span class="badge badge-secondary align-top">Dry Hire</span>{% endif %}
-        </h1>
-    </div>
-
     <div class="row my-3">
         {% include 'partials/client_eventdetails.html' %}
     </div>