Use mod vendor for vendored directory (backwards compatible)

vendor/github.com/mattermost/mattermost-server/model/plugins_response.go

@@ -1,30 +0,0 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See License.txt for license information.
-
-package model
-
-import (
-	"encoding/json"
-	"io"
-)
-
-type PluginInfo struct {
-	Manifest
-	Prepackaged bool `json:"prepackaged"`
-}
-
-type PluginsResponse struct {
-	Active   []*PluginInfo `json:"active"`
-	Inactive []*PluginInfo `json:"inactive"`
-}
-
-func (m *PluginsResponse) ToJson() string {
-	b, _ := json.Marshal(m)
-	return string(b)
-}
-
-func PluginsResponseFromJson(data io.Reader) *PluginsResponse {
-	var m *PluginsResponse
-	json.NewDecoder(data).Decode(&m)
-	return m
-}