[FIX] translation: remove calls to trans_update_res_ids

Calling this method is no longer required since the
merge of the new code for loading translations using
a temporary table. The method itself has been removed
at revision 3919, so all calls to it should have been
cleaned up as well.
Rev.3919 = rco@openerp.com-20111223104824-fup1cjbjni1fsty1

bzr revid: odo@openerp.com-20120109140958-10i1ti16tw327580