remove unused strings from CDT

Change-Id: I8432440393cabbdac636830ea467a5756dc29c24
448239: [mylyn] SWTE in AbstractFocusViewAction.updateInterestFilter -
Widget disposed 

Change-Id: I6f63fcd9d0c07ba59cbbc4b342695bce451b26cc
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=448239
Ignore project file.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>