regen files with never protoc (#6)

* regen files with never protoc
* rewrite import path

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

config/source/etcd/watcher.go

@@ -7,7 +7,7 @@ import (
 	"time"
 
 	cetcd "github.com/coreos/etcd/clientv3"
-	"github.com/micro/go-micro/v3/config/source"
+	"github.com/unistack-org/micro/v3/config/source"
 )
 
 type watcher struct {