Bug 15217 Remove redundant duplicate var declaration

 Bug 15217 Remove redundant duplicate var declaration

remove superfluous second declaration of template, borrowernumber and
cookie which are never used

Also removed the variables @results and @results_array which are
declared but not used

Signed-off-by: Frédéric Demians <f.demians@tamil.fr>
  As suggested by Colin, perl -wc catalogue/search.pl doesn't complain
  anymore after applying the patch. perlcritic confirms the 2 variables
  were unused.

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Brendan A Gallagher <brendan@bywatersolutions.com>
(cherry picked from commit 558f291465d60c082c0e9a4a15eb7ed87a3e3fde)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>
(cherry picked from commit 141f30d406671330bf31b199b4cdb78414176111)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>