Bug 19443: Remove duplicate message when editing existing patron

Signed-off-by: Owen Leonard <oleonard@myacpl.org>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit a522df7dd9)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>

koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt

@@ -79,6 +79,7 @@ $(document).ready(function() {
     $('#duplicate').on('click', function() {
         $("input[name='op']").val('modify');
         $("input[name='borrowernumber']").val('[% check_member %]');
+        $("input[name='check_member']").val('');
         $('#entryform').submit();
     });