Removed redundant localised tests

Removed tests in:
- [x] da
- [x] de
- [x] fi-FI
- [x] nb-No
- [x] nl

I didn't modify the following ones as it seems they have special cases:
 - [ ] ar
 - [ ] cs
 - [ ] he
 - [ ] pl
 - [ ] ru-RU
 - [ ] sk
 - [ ] sl

fixes #164