Remove jobs/_scheduled.html template

From what I can determine, the last include for
this template was removed in:

https://github.com/alphagov/notifications-admin/pull/3338

This assumes that it should have been removed then
so removes it now.

app/templates/views/jobs/_scheduled.html

@@ -1,34 +0,0 @@
-{% from "components/table.html" import list_table, field, right_aligned_field_heading, row_heading %}
-{% from "components/big-number.html" import big_number %}
-{% from "components/show-more.html" import show_more %}
-
-{% if current_service.scheduled_jobs %}
-  <div class='dashboard-table'>
-    {% call(item, row_number) list_table(
-      current_service.scheduled_jobs,
-      caption="In the next few days",
-      caption_visible=False,
-      empty_message='Nothing to see here',
-      field_headings=[
-        'File',
-        'Messages to be sent'
-      ],
-      field_headings_visible=True
-    ) %}
-      {% call row_heading() %}
-        <div class="file-list">
-          <a class="file-list-filename" href="{{ url_for('.view_job', service_id=current_service.id, job_id=item.id) }}">{{ item.original_file_name }}</a>
-          <span class="file-list-hint">
-            Sending {{ item.scheduled_for|format_datetime_relative }}
-          </span>
-        </div>
-      {% endcall %}
-      {% call field() %}
-        {{ big_number(
-          item.notification_count,
-          smallest=True
-        ) }}
-      {% endcall %}
-    {% endcall %}
-  </div>
-{% endif %}