fix linting (#4)

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

util/http/options.go

@@ -2,12 +2,15 @@ package http
 
 import "github.com/unistack-org/micro/v3/router"
 
+// Options struct
 type Options struct {
 	Router router.Router
 }
 
+// Option func
 type Option func(*Options)
 
+// WithRouter sets the router.Router option
 func WithRouter(r router.Router) Option {
 	return func(o *Options) {
 		o.Router = r

util/signal/signal.go

@@ -1,13 +0,0 @@
-package signal
-
-import (
-	"os"
-	"syscall"
-)
-
-// ShutDownSignals returns all the signals that are being watched for to shut down services.
-func Shutdown() []os.Signal {
-	return []os.Signal{
-		syscall.SIGTERM, syscall.SIGINT, syscall.SIGQUIT, syscall.SIGKILL,
-	}
-}

util/test/test.go

@@ -1,47 +0,0 @@
-package test
-
-import (
-	"github.com/unistack-org/micro/v3/registry"
-)
-
-var (
-	// mock registry data
-	Data = map[string][]*registry.Service{
-		"foo": {
-			{
-				Name:    "foo",
-				Version: "1.0.0",
-				Nodes: []*registry.Node{
-					{
-						Id:      "foo-1.0.0-123",
-						Address: "localhost:9999",
-					},
-					{
-						Id:      "foo-1.0.0-321",
-						Address: "localhost:9999",
-					},
-				},
-			},
-			{
-				Name:    "foo",
-				Version: "1.0.1",
-				Nodes: []*registry.Node{
-					{
-						Id:      "foo-1.0.1-321",
-						Address: "localhost:6666",
-					},
-				},
-			},
-			{
-				Name:    "foo",
-				Version: "1.0.3",
-				Nodes: []*registry.Node{
-					{
-						Id:      "foo-1.0.3-345",
-						Address: "localhost:8888",
-					},
-				},
-			},
-		},
-	}
-)