[staking] remove unused gsif call in node

Signed-off-by: Leo Chen <leo@harmony.one>

cmd/harmony/main.go

@@ -303,13 +303,6 @@ func setUpConsensusAndNode(nodeConfig *nodeconfig.ConfigType) *node.Node {
 	utils.GetLogInstance().Info("node account set",
 		"address", common.MustAddressToBech32(currentNode.StakingAccount.Address))
 
-	if gsif, err := consensus.NewGenesisStakeInfoFinder(); err == nil {
-		currentConsensus.SetStakeInfoFinder(gsif)
-	} else {
-		_, _ = fmt.Fprintf(os.Stderr, "Cannot initialize stake info: %v\n", err)
-		os.Exit(1)
-	}
-
 	// TODO: refactor the creation of blockchain out of node.New()
 	currentConsensus.ChainReader = currentNode.Blockchain()