Bug 803600: Clean up the comment generated when deleting attachments

attachment.cgi

@@ -751,7 +751,6 @@ sub delete_attachment {
         # The token is valid. Delete the content of the attachment.
         my $msg;
         $vars->{'attachment'} = $attachment;
-        $vars->{'date'} = $date;
         $vars->{'reason'} = clean_text($cgi->param('reason') || '');
 
         $template->process("attachment/delete_reason.txt.tmpl", $vars, \$msg)

template/en/default/attachment/delete_reason.txt.tmpl

@@ -9,17 +9,10 @@
 [%# INTERFACE:
   # attachment: object of the attachment the user wants to delete.
   # reason: string; The reason provided by the user.
-  # date: the date when the request to delete the attachment was made.
   #%]
 
-The content of attachment [% attachment.id %] has been deleted by
-    [%+ user.identity %]
-[% IF reason %]
-who provided the following reason:
+The content of attachment [% attachment.id %] has been deleted
+[%~ IF reason %] for the following reason:
 
 [%+ reason %]
-[% ELSE %]
-without providing any reason.
 [% END %]
-
-The token used to delete this attachment was generated at [% date FILTER time %].