Squish: Use generic function textUnderCursor(...)

Change-Id: I7ea6e9af1435e716266f4dfd917fe9ac568a67a5
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Squish: Remove unused objects

Change-Id: I36d5174e26b853777792f69eac4df16efc52292b
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Squish: Remove unused function

Change-Id: I2860d77dcb6a571e6af0e8aff86b997c12dafc90
Reviewed-by: Christian Stenger <christian.stenger@digia.com>