Bug 13071: format_date should not be called in currency.pl

Bug 13071: format_date should not be called in currency.pl

The TT plugin is used in the template, it is useless and can cause
problems to format the dates before sending them to the template.

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Fixes the problem I was seeing before, didn't find any regressions.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Checked all three settings of dateformat. Looks fine to me.

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>