geth 1.9.18 post-rebase fixups

accounts/abi/bind/backends/simulated.go

accounts/external/backend.go

cmd/abigen/main.go

cmd/checkpoint-admin/main.go

cmd/clef/main.go

cmd/devp2p/discv4cmd.go

cmd/devp2p/internal/v4test/discv4tests.go

cmd/devp2p/internal/v4test/framework.go

cmd/devp2p/keycmd.go

cmd/ethkey/main.go

cmd/ethkey/utils.go

cmd/evm/internal/t8ntool/execution.go

cmd/evm/internal/t8ntool/flags.go

cmd/evm/internal/t8ntool/gen_stenv.go

cmd/evm/internal/t8ntool/transition.go

cmd/evm/main.go

cmd/geth/accountcmd.go

cmd/geth/chaincmd.go

cmd/geth/les_test.go

cmd/geth/main.go