libcontainerd: remove unused consts
libcontainerd: remove unused consts

Signed-off-by: Sebastiaan van Stijn <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@gone.nl>

Ramzec/docker,Mokolea/docker,vdemeester/docker,nalind/docker,yosifkit/docker,flavio/docker,paralin/docker,gnailuy/docker,nawawi/docker,thaJeztah/docker,paralin/docker,gnailuy/docker,moby/moby,nalind/docker,Mokolea/docker,mahak/docker,konstruktoid/docker-upstream,nalind/docker,jthelin/docker,moby/moby,AkihiroSuda/docker,Ramzec/docker,kojiromike/docker,moul/docker,bearstech/moby,moby/moby,moul/docker,AkihiroSuda/docker,vdemeester/docker,jimjag/docker,yosifkit/docker,gnailuy/docker,djs55/docker,cpuguy83/docker,nawawi/docker,trebonian/docker,AkihiroSuda/docker,cpuguy83/docker,Ramzec/docker,nawawi/docker,vdemeester/docker,flavio/docker,mahak/docker,konstruktoid/docker-upstream,cpuguy83/docker,konstruktoid/docker-upstream,trebonian/docker,nalind/docker,nawawi/docker,kojiromike/docker,paralin/docker,docker/docker,trebonian/docker,Ramzec/docker,flavio/docker,thaJeztah/docker,jameszhan/docker,thaJeztah/docker,djs55/docker,jimjag/docker,cpuguy83/docker,yosifkit/docker,jimjag/docker,mahak/docker,trebonian/docker,yosifkit/docker,moul/docker,djs55/docker,gnailuy/docker,Mokolea/docker,paralin/docker,moby/moby,bearstech/moby,moul/docker,AkihiroSuda/docker,thaJeztah/docker,Mokolea/docker,mahak/docker,jthelin/docker,bearstech/moby,docker/docker,jimjag/docker,jameszhan/docker,bearstech/moby,docker/docker,flavio/docker,kojiromike/docker,konstruktoid/docker-upstream,jameszhan/docker