Drop db operations from hook commands (#1514)

* move all database operations from hook command to web command and instead of internal routes

* bug fixed

* adjust the import path sequences

* remove unused return value on hookSetup

modules/private/internal.go

@@ -1,3 +1,7 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
 package private
 
 import (