internal/ethapi: remove error return on RPCMarshalBlock (#27449)

rm error when marshal block to rpc type allen

eth/api_debug.go

@@ -104,7 +104,6 @@ type BadBlockArgs struct {
 // and returns them as a JSON list of block hashes.
 func (api *DebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs, error) {
 	var (
-		err     error
 		blocks  = rawdb.ReadAllBadBlocks(api.eth.chainDb)
 		results = make([]*BadBlockArgs, 0, len(blocks))
 	)
@@ -118,9 +117,7 @@ func (api *DebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs, error)
 		} else {
 			blockRlp = fmt.Sprintf("%#x", rlpBytes)
 		}
-		if blockJSON, err = ethapi.RPCMarshalBlock(block, true, true, api.eth.APIBackend.ChainConfig()); err != nil {
-			blockJSON = map[string]interface{}{"error": err.Error()}
-		}
+		blockJSON = ethapi.RPCMarshalBlock(block, true, true, api.eth.APIBackend.ChainConfig())
 		results = append(results, &BadBlockArgs{
 			Hash:  block.Hash(),
 			RLP:   blockRlp,