Remove Qt4 remnants
AFAIK we do not support Qt4 anymore. However there are defines and checks for Qt4 versions in the CMake Files as well as in the C++ Source code. These remnants should be removed, to avoid cluttering.
AFAIK we do not support Qt4 anymore. However there are defines and checks for Qt4 versions in the CMake Files as well as in the C++ Source code. These remnants should be removed, to avoid cluttering.