Bug 14926: Remove C4::Dates from members/printfeercpt.pl

Bug 14926: Remove C4::Dates from members/printfeercpt.pl

This patch removes C4::Dates from members/printfeercpt.pl

To test:

- Go to a patron's fines (members/boraccount.pl) and make sure that
  he/she has made a payment
- Select 'Print' in the payment's line
- Verify that the payment date on the slip displays correctly

Signed-off-by: Hector Castro <hector.hecaxmmx@gmail.com>
Works as advertised. Date displayed 2015-10-08

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