Remove out-dated code.
Remove out-dated code.

wxzh/fcore,hkuplg/fcore,bixuanzju/fcore,wxzh/fcore,bixuanzju/fcore,xnning/fcore,bixuanzju/fcore,xnning/fcore,hkuplg/fcore,zhiyuanshi/fcore,hkuplg/fcore,zhiyuanshi/fcore,zhiyuanshi/fcore,xnning/fcore,wxzh/fcore