Bug 15965: Koha to MARC mapping - table changes with selection of drop down menu

 Bug 15965: Koha to MARC mapping - table changes with selection of drop down menu

EDIT: Removing JS line

To test:

1) Go to Admin -> Koha to MARC Mapping
2) Test selecting biblio / biblioitems / items
3) Confirm the table content changes and behaves as it should which each
   selection

Sponsored-by: Catalyst IT
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Brendan A Gallagher <brendan@bywatersolutions.com>