message: op-node: Remove L1BlockRefFromHeader
diff: @@ -4,7 +4,6 @@ import (
  "fmt"
  "github.com/ethereum/go-ethereum/common"
  - "github.com/ethereum/go-ethereum/core/types"
  )
  type BlockID struct {
  @@ -48,15 +47,6 @@ type L1BlockRef struct {
  Time uint64 `json:"timestamp"`
  }
  -func L1BlockRefFromHeader(block *types.Header) L1BlockRef {
  - return L1BlockRef{
  - Hash: block.Hash(),
  - Number: block.Number.Uint64(),
  - ParentHash: block.ParentHash,
  - Time: block.Time,
  - }
  -}
  -
  func (id L1BlockRef) String() string {
  return fmt.Sprintf("%s:%d", id.Hash.String(), id.Number)
  }
  