switch to stdlib context

registry/consul/options.go

@@ -1,9 +1,10 @@
 package consul
 
 import (
+	"context"
+
 	consul "github.com/hashicorp/consul/api"
 	"github.com/micro/go-micro/registry"
-	"golang.org/x/net/context"
 )
 
 func Config(c *consul.Config) registry.Option {

registry/options.go

@@ -1,10 +1,9 @@
 package registry
 
 import (
+	"context"
 	"crypto/tls"
 	"time"
-
-	"golang.org/x/net/context"
 )
 
 type Options struct {