versions: cleanup unused methods
versions: cleanup unused methods

Former-commit-id: b520ce831c8e50c383f225a2a9d70837a7a3eab5
Former-commit-id: ba57d268051cbc0d870bd13e5c08a7c967153d93 [formerly 44f010721245ed8a2574dc2b7d774cb073793d40] [formerly bb0e0458d757575766a649670f38b13fd40b72a9 [formerly 579bb77acb3aed469ebda874546daeb38e5261a7]]
Former-commit-id: 9db6d9190b7e3cd46b6c7703531778f771451206 [formerly 44836319042604392b0b51838af8f7dcaaafd182]
Former-commit-id: 090c3cd2d7bb7d8428d6a4ce26acaa4855973818
PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild