deposit: external number fix

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: completed template unified

* Removes deposit/pending.html template.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: hide note field

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>