move migrations to kv interfaces (#2430)

cmd/evm/internal/t8ntool/execution.go

cmd/snapshots/tracker/commands/root.go

core/genesis.go

core/rawdb/accessors_account.go

core/rawdb/accessors_indexes.go

core/state/plain_state_writer.go

eth/tracers/tracers_test.go

ethdb/kv/kv_mdbx.go

ethdb/kv/kv_snapshot.go

ethdb/kv/object_db.go

ethdb/kv/tx_db.go

ethdb/kv_interface.go

migrations/call_trace_index.go

migrations/db_schema_version.go

migrations/fix_sequences.go

migrations/header_prefix.go

migrations/header_prefix_test.go

migrations/migrations.go

migrations/migrations_test.go

migrations/prune.go