Dead code removal

main.go

@@ -59,7 +59,6 @@ var opts Options
 var Version string = "unknown-dev"
 
 const (
-	confDirName  = ".syncthing"
 	confFileName = "syncthing.ini"
 )
 

util.go

@@ -1,13 +1,6 @@
 package main
 
-import (
-	"fmt"
-	"time"
-)
-
-func timing(name string, t0 time.Time) {
-	debugf("%s: %.02f ms", name, time.Since(t0).Seconds()*1000)
-}
+import "fmt"
 
 func MetricPrefix(n int) string {
 	if n > 1e9 {