Remove unused function

dnscrypt-proxy/common.go

@@ -4,11 +4,9 @@ import (
 	"bytes"
 	"encoding/binary"
 	"errors"
-	"fmt"
 	"io/ioutil"
 	"net"
 	"os"
-	"runtime"
 	"strconv"
 	"strings"
 	"unicode"
@@ -164,15 +162,6 @@ func ExtractHostAndPort(str string, defaultPort int) (host string, port int) {
 	return
 }
 
-func MemUsage() {
-	var m runtime.MemStats
-	runtime.ReadMemStats(&m)
-	fmt.Printf("Alloc = %v MiB", m.Alloc/1024/1024)
-	fmt.Printf("\tTotalAlloc = %v MiB", m.TotalAlloc/1024/1024)
-	fmt.Printf("\tSys = %v MiB", m.Sys/1024/1024)
-	fmt.Printf("\tNumGC = %v\n", m.NumGC)
-}
-
 func ReadTextFile(filename string) (string, error) {
 	bin, err := ioutil.ReadFile(filename)
 	if err != nil {