drop unused ulcodes

Change-Id: I075db734dae73244d90a39b655fca2dc48d921c7
Related: rhbz#1040291 Change language name from 'Oriya' to 'Odia'

Except for our external api where the Oriya is stuck (and similar for
the vba implementation)

Change-Id: I8288c930567385eea49a4c303727b13ef8b8a89f