[cleanup] remove unused flag and log file

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

cmd/harmony/main.go

@@ -69,7 +69,6 @@ var (
 	freshDB     = flag.Bool("fresh_db", false, "true means the existing disk based db will be removed")
 	pprof       = flag.String("pprof", "", "what address and port the pprof profiling server should listen on")
 	versionFlag = flag.Bool("version", false, "Output version info")
-	onlyLogTps  = flag.Bool("only_log_tps", false, "Only log TPS if true")
 	dnsZone     = flag.String("dns_zone", "", "if given and not empty, use peers from the zone (default: use libp2p peer discovery instead)")
 	dnsFlag     = flag.Bool("dns", true, "[deprecated] equivalent to -dns_zone t.hmny.io")
 	dnsPort     = flag.String("dns_port", "9000", "port of dns node")
@@ -140,11 +139,6 @@ func initSetup() {
 	utils.SetLogVerbosity(log.Lvl(*verbosity))
 	utils.AddLogFile(fmt.Sprintf("%v/validator-%v-%v.log", *logFolder, *ip, *port), *logMaxSize)
 
-	if *onlyLogTps {
-		matchFilterHandler := log.MatchFilterHandler("msg", "TPS Report", utils.GetLogInstance().GetHandler())
-		utils.GetLogInstance().SetHandler(matchFilterHandler)
-	}
-
 	// Add GOMAXPROCS to achieve max performance.
 	runtime.GOMAXPROCS(runtime.NumCPU() * 4)
 
@@ -577,7 +571,6 @@ func setupViperConfig() {
 	viperconfig.ResetConfBool(freshDB, envViper, configFileViper, "", "fresh_db")
 	viperconfig.ResetConfString(pprof, envViper, configFileViper, "", "pprof")
 	viperconfig.ResetConfBool(versionFlag, envViper, configFileViper, "", "version")
-	viperconfig.ResetConfBool(onlyLogTps, envViper, configFileViper, "", "only_log_tps")
 	viperconfig.ResetConfString(dnsZone, envViper, configFileViper, "", "dns_zone")
 	viperconfig.ResetConfBool(dnsFlag, envViper, configFileViper, "", "dns")
 	viperconfig.ResetConfInt(minPeers, envViper, configFileViper, "", "min_peers")

internal/utils/singleton.go

@@ -53,12 +53,6 @@ func SetLogVerbosity(verbosity log.Lvl) {
 // AddLogFile creates a StreamHandler that outputs JSON logs
 // into rotating files with specified max file size
 func AddLogFile(filepath string, maxSize int) {
-	AddLogHandler(log.StreamHandler(&lumberjack.Logger{
-		Filename: filepath,
-		MaxSize:  maxSize,
-		Compress: true,
-	}, log.JSONFormat()))
-
 	setZeroLoggerFileOutput(filepath, maxSize)
 }