Order all keys in config (#8541)

New changes

- return default values when sub-sys is
  not configured.
- state is hidden parameter now
- remove worm mode to be saved in config

cmd/config/etcd/help.go

@@ -21,15 +21,10 @@ import "github.com/minio/minio/cmd/config"
 // etcd config documented in default config
 var (
 	Help = config.HelpKVS{
-		config.HelpKV{
-			Key:         config.State,
-			Description: "Indicates if etcd config is on or off",
-			Type:        "on|off",
-		},
 		config.HelpKV{
 			Key:         Endpoints,
 			Description: `Comma separated list of etcd endpoints eg: "http://localhost:2379"`,
-			Type:        "delimited-string",
+			Type:        "csv",
 		},
 		config.HelpKV{
 			Key:         CoreDNSPath,