Bug 10396: remove unnecessary date-picker widgets from Catalog statistics form

In particular, removed it from the call number and publication year
input fields.

Signed-off-by: Srdjan <srdjan@catalyst.net.nz>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>