Bug 27531: Remove type attribute from script tags: Cataloging plugins

Bug 27531: Remove type attribute from script tags: Cataloging plugins

This patch removes the no-longer-valid "type" attribute from script tags
found in cataloging plugin templates.

I don't think testing each plugin individually is a reasonable thing to
ask for a test. I think a visual verification of the changes in the
patch should be enough.

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>