Settings: italian translation

Change-Id: I69b5229477817871d5b54b3226277e2a149f425e
Settings: Update DE-translation

- Add missing translation for Heads Up and Shake to secure
- Fix a translation error for smart pulldown.
- Also some cleanup, removed some strings wich don't need to be translated,
  less errors later if some of them changes.

Change-Id: I680a96b2a8a45a0d23d135c02e5ab1e4ef0b1d9c
Merge "Settings: italian translation" into kk4.4