clean up code

services/explorer/service.go

@@ -8,7 +8,6 @@ import (
 	"net/http"
 	"os"
 	"strconv"
-	"time"
 
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/gorilla/mux"
@@ -142,11 +141,6 @@ func (s *Service) GetAccountBlocks(from, to int) []*types.Block {
 	return blocks
 }
 
-// GetTime ...
-func GetTime(timestamp int64) string {
-	return time.Unix(timestamp, 0).String()
-}
-
 // GetTransaction ...
 func GetTransaction(tx *types.Transaction, accountBlock *types.Block) Transaction {
 	if tx.To() == nil {