Revert "Fix translation.py error when saving"
This reverts commit d31edc44.
See the discussion in issue #149 (closed); this evaluated get_language when the models were loaded rather than upon rendering the view
Closes #149 (closed)
This potentially breaks what was achieved in !126 (merged). I gave it a superficial glance and it looked like the migration still works, but perhaps this could do with some more thorough checking.