ENH (#4735): QT independent rendering with MITK_CORE_EXPORT
ENH (#4735): QT independent rendering with MITK_CORE_EXPORT

- removed wrong function definitions in header


MITK/MITK,iwegner/MITK,lsanzdiaz/MITK-BiiG,nocnokneo/MITK,RabadanLab/MITKats,rfloca/MITK,lsanzdiaz/MITK-BiiG,iwegner/MITK,fmilano/mitk,rfloca/MITK,rfloca/MITK,NifTK/MITK,nocnokneo/MITK,fmilano/mitk,danielknorr/MITK,lsanzdiaz/MITK-BiiG,rfloca/MITK,MITK/MITK,fmilano/mitk,NifTK/MITK,NifTK/MITK,lsanzdiaz/MITK-BiiG,NifTK/MITK,iwegner/MITK,RabadanLab/MITKats,MITK/MITK,iwegner/MITK,lsanzdiaz/MITK-BiiG,danielknorr/MITK,danielknorr/MITK,MITK/MITK,NifTK/MITK,lsanzdiaz/MITK-BiiG,MITK/MITK,RabadanLab/MITKats,rfloca/MITK,nocnokneo/MITK,danielknorr/MITK,rfloca/MITK,MITK/MITK,RabadanLab/MITKats,fmilano/mitk,fmilano/mitk,lsanzdiaz/MITK-BiiG,iwegner/MITK,danielknorr/MITK,danielknorr/MITK,NifTK/MITK,rfloca/MITK,nocnokneo/MITK,RabadanLab/MITKats,nocnokneo/MITK,fmilano/mitk,nocnokneo/MITK,nocnokneo/MITK,lsanzdiaz/MITK-BiiG,fmilano/mitk,iwegner/MITK,RabadanLab/MITKats,danielknorr/MITK