remove unnecessary hyperkube reference (#2391)
remove unnecessary hyperkube reference (#2391)


jackfrancis/acs-engine,yangl900/acs-engine,jackfrancis/acs-engine,jackfrancis/acs-engine,yangl900/acs-engine,Azure/acs-engine,rjtsdl/acs-engine,rjtsdl/acs-engine,jackfrancis/acs-engine,rjtsdl/acs-engine,Azure/acs-engine,yangl900/acs-engine,Azure/acs-engine,rjtsdl/acs-engine,yangl900/acs-engine,yangl900/acs-engine,jackfrancis/acs-engine,Azure/acs-engine,rjtsdl/acs-engine,Azure/acs-engine