cmd/geth, cmd/utils, eth: internalize trusted node config file

cmd/geth/main.go

@@ -233,7 +233,6 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 		utils.UnlockedAccountFlag,
 		utils.PasswordFileFlag,
 		utils.BootNodesFlag,
-		utils.TrustedNodesFlag,
 		utils.DataDirFlag,
 		utils.BlockchainVersionFlag,
 		utils.JSpathFlag,

cmd/utils/flags.go

@@ -207,11 +207,6 @@ var (
 		Usage: "Space-separated enode URLs for p2p discovery bootstrap",
 		Value: "",
 	}
-	TrustedNodesFlag = cli.StringFlag{
-		Name:  "trustednodes",
-		Usage: "List of trusted nodes (either an enode list or path to a json file of enodes)",
-		Value: "",
-	}
 	NodeKeyFileFlag = cli.StringFlag{
 		Name:  "nodekey",
 		Usage: "P2P node key file",
@@ -298,7 +293,6 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
 		Shh:                ctx.GlobalBool(WhisperEnabledFlag.Name),
 		Dial:               true,
 		BootNodes:          ctx.GlobalString(BootNodesFlag.Name),
-		TrustedNodes:       ctx.GlobalString(TrustedNodesFlag.Name),
 	}
 }