Update to 3.5.2 and .net core 2.1

MediaBrowser.Model/Tasks/IScheduledTask.cs

@@ -1,47 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MediaBrowser.Model.Tasks
-{
-    /// <summary>
-    /// Interface IScheduledTaskWorker
-    /// </summary>
-    public interface IScheduledTask
-    {
-        /// <summary>
-        /// Gets the name of the task
-        /// </summary>
-        /// <value>The name.</value>
-        string Name { get; }
-
-        string Key { get; }
-
-        /// <summary>
-        /// Gets the description.
-        /// </summary>
-        /// <value>The description.</value>
-        string Description { get; }
-
-        /// <summary>
-        /// Gets the category.
-        /// </summary>
-        /// <value>The category.</value>
-        string Category { get; }
-
-        /// <summary>
-        /// Executes the task
-        /// </summary>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <param name="progress">The progress.</param>
-        /// <returns>Task.</returns>
-        Task Execute(CancellationToken cancellationToken, IProgress<double> progress);
-
-        /// <summary>
-        /// Gets the default triggers.
-        /// </summary>
-        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
-        IEnumerable<TaskTriggerInfo> GetDefaultTriggers();
-    }
-}