Simplify random seed initialization

There is no need to set the time zone as the result does not
depend on it

cmd/kube-proxy/proxy.go

@@ -33,7 +33,7 @@ import (
 )
 
 func main() {
-	rand.Seed(time.Now().UTC().UnixNano())
+	rand.Seed(time.Now().UnixNano())
 
 	command := app.NewProxyCommand()