Bug 32817: Fix cataloguing/value_builder/dateaccessioned.pl

Remove unnecessary call to event.preventDefault()

This is part of the refactoring happening in bug 30975

Test plan:
1. Verify that the plugin continues to work as before

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

cataloguing/value_builder/dateaccessioned.pl

@@ -44,7 +44,6 @@ function Focus$function_name(event) {
 }
 
 function Click$function_name(event) {
-    event.preventDefault();
     set_to_today(event.data.id, 1);
 }