Remove unused strings

Remove unused strings left over from telephone/incall split.

(Change from original CL on master: don't modify any translation files.)

Bug:13242270
Change-Id: I8383644ca31e66aa43b184368606cc693583da22
(cherry picked from commit 2604a129668c69a283822e1b1d2eb70bb8ba0be5)
3 files changed
tree: f95d4805a416cd4010f0c2bde6a926a20c06ab8e
  1. InCallUI/