remove Kross, otherwise it does not work for me

CMake Error at ~/kde/kf5/usr/lib64/cmake/KF5/KF5Config.cmake:26
(find_package):
Found package configuration file:

    ~/kde/kf5/usr/lib64/cmake/Kross/KrossConfig.cmake

but it set Kross_FOUND to FALSE so package "Kross" is considered to be
NOT
FOUND.  Reason given by package:

The following imported targets are referenced, but are missing:
KF5::KParts