Dialer: Fix translation issues

* Boolean values don't belong to a strings-file, move it accordingly
* A small newline-issue made a question mark appear out-of-place
* Remove unused string - just increases translation efforts unneccessarily
* Fix some upper/lower cases
* Some past tense issue

This commit also re-applies

InCallUI: Improve more CAF strings
by Michael Bestas <mkbestas@lineageos.org>

InCallUI: Use framework yes/no strings
by Michael Bestas <mkbestas@lineageos.org>

Change-Id: Ie1fc64ddf9281819e94e57af20ece102a4cea4f2