clean up additional_features
clean up additional_features

LUTECH-TMS-CERT/EHAT-NG,MooseDojo/Serpico,LUTECH-TMS-CERT/EHAT-NG,LUTECH-TMS-CERT/EHAT-NG,arisada/Serpico,ccammilleri/Serpico,ccammilleri/Serpico,MooseDojo/Serpico,LUTECH-TMS-CERT/EHAT-NG,arisada/Serpico,ccammilleri/Serpico,MooseDojo/Serpico,arisada/Serpico