delete DRC's copy of FrozenPlan (which is now provided by Drake)
delete DRC's copy of FrozenPlan (which is now provided by Drake)

openhumanoids/oh-distro,openhumanoids/oh-distro,openhumanoids/oh-distro,openhumanoids/oh-distro,openhumanoids/oh-distro,openhumanoids/oh-distro,openhumanoids/oh-distro,openhumanoids/oh-distro