Bug 14928: Remove C4::Dates from files acqui/pdfformat/layout*.pm

Bug 14928: Remove C4::Dates from files acqui/pdfformat/layout*.pm

This patch removes C4::Dates from:
- acqui/pdfformat/layout2pages.pm
- acqui/pdfformat/layout2pagesde.pm
- acqui/pdfformat/layout3pages.pm
- acqui/pdfformat/layout3pagesfr.pm

To test:
- Apply patch
- Go to Home > Acquisitions > [Vendor] > Basket groups
- Print a basket (order)
- Verify that the current date is formatted respects syspref 'dateformat'
- Do the same with syspref 'OrderPdfFormat' set to the four different choices

Signed-off-by: Hector Castro <hector.hecaxmmx@gmail.com>
Works as advertised. Date printed in PDF Ok

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>