remove end2end_cluster since step now has no meaning
remove end2end_cluster since step now has no meaning

dyoussef/s2p,MISS3D/s2p,MISS3D/s2p,dyoussef/s2p,MISS3D/s2p,mnhrdt/s2p,MISS3D/s2p,carlodef/s2p,carlodef/s2p,dyoussef/s2p,dyoussef/s2p,mnhrdt/s2p