Cleanup unused content

And what is the trick? and try but nothig happen:

“C:\Archivos de programa\Unreal Engine\4.5\Engine\Binaries\Win64\UE4Editor.exe” “C:\Users\Willy\Documents\Unreal Projects\WeaponryFramework\WeaponryFramework.uproject” -UWrangleContentCommandlet

It open the game but donr delete nothing.