Bug 29283: (QA follow-up) Remove code duplication

We have already a search filter for active orders.

Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

acqui/basket.pl

@@ -127,9 +127,7 @@ if ( $op eq 'delete_confirm' ) {
     my $delbiblio  = $query->param('delbiblio');
     my $basket_obj = Koha::Acquisition::Baskets->find($basketno);
 
-    my $orders = $basket_obj->orders->search({
-        datecancellationprinted => undef
-    });
+    my $orders = $basket_obj->orders->filter_by_current;
 
     my @cannotdelbiblios;