fix(config): command line flags are parsed twice, drop automatic parsing

internal/config/config.go

@@ -3,7 +3,6 @@ package config
 import (
 	"bufio"
 	"bytes"
-	"flag"
 	"path"
 	"strings"
 	"time"
@@ -80,9 +79,6 @@ func init() {
 func (config *configSchema) Read() {
 	v := viper.New()
 
-	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
-	pflag.Parse()
-
 	err := v.BindPFlags(pflag.CommandLine)
 	if err != nil {
 		log.Errorf("Failed to bind flag set to the configuration: %s", err)