[MM-28423] Implement ImportDelete job (#16588)

* Implement ImportDelete job

* Add missing translation

* Improve logging

* Avoid deleting the file in case of errors

jobs/interfaces/import_delete_interface.go

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package interfaces
+
+import "github.com/mattermost/mattermost-server/v5/model"
+
+type ImportDeleteInterface interface {
+	MakeWorker() model.Worker
+	MakeScheduler() model.Scheduler
+}