feat: copy change to reflect that the count in the header is not necessarily as large as the errors shown (it excludes duplicate errors on fields, and not_answered errors)

app/views/bulk_upload_lettings_results/deletion_report.html.erb

@@ -5,7 +5,7 @@
 <div class="govuk-grid-row">
   <div class="govuk-grid-column-two-thirds">
     <span class="govuk-caption-l">Bulk upload for lettings (<%= @bulk_upload.year_combo %>)</span>
-    <h1 class="govuk-heading-l"><%= unique_answers_to_be_cleared(@bulk_upload).count == 1 ? "This" : "These" %> <%= pluralize(unique_answers_to_be_cleared(@bulk_upload).count, "answer") %> will be deleted if you upload the <%= "log".pluralize(@bulk_upload.logs.count) %></h1>
+    <h1 class="govuk-heading-l"><%= pluralize(unique_answers_to_be_cleared(@bulk_upload).count, "answer") %> will be deleted if you upload the <%= "log".pluralize(@bulk_upload.logs.count) %></h1>
 
     <p>The following cells contain data this is incorrect.</p>
     <p>If you upload the logs, these answers will be deleted. You will have to re-enter the data on the site and resolve these errors.</p>