Bug 17020: Do no pass findborrower to the template

Indeed, it's not used!

Test plan:
  git grep '\[% findborrower'
should not return any result.

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

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 5995bd77a6)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>

circ/circulation.pl

@@ -624,7 +624,6 @@ if ($restoreduedatespec || $stickyduedate) {
 $template->param(
     librarian_messages => $librarian_messages,
     patron_messages   => $patron_messages,
-    findborrower      => $findborrower,
     borrower          => $borrower,
     borrowernumber    => $borrowernumber,
     categoryname      => $borrower->{'description'},