Revert "[MM-37984] Allow Desktop App to authenticate via external providers outside of the app on supported servers (#23795)" (#24039)

This reverts commit abdf4e58c3.

server/channels/jobs/cleanup_desktop_tokens/scheduler.go

@@ -1,20 +0,0 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See LICENSE.txt for license information.
-
-package cleanup_desktop_tokens
-
-import (
-	"time"
-
-	"github.com/mattermost/mattermost/server/public/model"
-	"github.com/mattermost/mattermost/server/v8/channels/jobs"
-)
-
-const schedFreq = 1 * time.Hour
-
-func MakeScheduler(jobServer *jobs.JobServer) model.Scheduler {
-	isEnabled := func(cfg *model.Config) bool {
-		return true
-	}
-	return jobs.NewPeriodicScheduler(jobServer, model.JobTypeCleanupDesktopTokens, schedFreq, isEnabled)
-}