Disable plugin updates

It would always fail since Jellyfin has no plugin repository to check
against.

Emby.Server.Implementations/ScheduledTasks/PluginUpdateTask.cs

@@ -1,142 +0,0 @@
-using MediaBrowser.Common;
-using MediaBrowser.Common.Updates;
-using MediaBrowser.Model.Logging;
-using MediaBrowser.Model.Net;
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using MediaBrowser.Common.Progress;
-using MediaBrowser.Model.Tasks;
-
-namespace Emby.Server.Implementations.ScheduledTasks
-{
-    /// <summary>
-    /// Plugin Update Task
-    /// </summary>
-    public class PluginUpdateTask : IScheduledTask, IConfigurableScheduledTask
-    {
-        /// <summary>
-        /// The _logger
-        /// </summary>
-        private readonly ILogger _logger;
-
-        private readonly IInstallationManager _installationManager;
-
-        private readonly IApplicationHost _appHost;
-
-        public PluginUpdateTask(ILogger logger, IInstallationManager installationManager, IApplicationHost appHost)
-        {
-            _logger = logger;
-            _installationManager = installationManager;
-            _appHost = appHost;
-        }
-
-        /// <summary>
-        /// Creates the triggers that define when the task will run
-        /// </summary>
-        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
-        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
-        {
-            return new[] { 
-            
-                // At startup
-                new TaskTriggerInfo {Type = TaskTriggerInfo.TriggerStartup},
-
-                // Every so often
-                new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
-            };
-        }
-
-        public string Key
-        {
-            get { return "PluginUpdates"; }
-        }
-
-        /// <summary>
-        /// Update installed plugins
-        /// </summary>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <param name="progress">The progress.</param>
-        /// <returns>Task.</returns>
-        public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
-        {
-            progress.Report(0);
-
-            var packagesToInstall = (await _installationManager.GetAvailablePluginUpdates(_appHost.ApplicationVersion, true, cancellationToken).ConfigureAwait(false)).ToList();
-
-            progress.Report(10);
-
-            var numComplete = 0;
-
-            foreach (var package in packagesToInstall)
-            {
-                cancellationToken.ThrowIfCancellationRequested();
-
-                try
-                {
-                    await _installationManager.InstallPackage(package, true, new SimpleProgress<double>(), cancellationToken).ConfigureAwait(false);
-                }
-                catch (OperationCanceledException)
-                {
-                    // InstallPackage has it's own inner cancellation token, so only throw this if it's ours
-                    if (cancellationToken.IsCancellationRequested)
-                    {
-                        throw;
-                    }
-                }
-                catch (HttpException ex)
-                {
-                    _logger.ErrorException("Error downloading {0}", ex, package.name);
-                }
-                catch (IOException ex)
-                {
-                    _logger.ErrorException("Error updating {0}", ex, package.name);
-                }
-
-                // Update progress
-                lock (progress)
-                {
-                    numComplete++;
-                    double percent = numComplete;
-                    percent /= packagesToInstall.Count;
-
-                    progress.Report(90 * percent + 10);
-                }
-            }
-
-            progress.Report(100);
-        }
-
-        /// <summary>
-        /// Gets the name of the task
-        /// </summary>
-        /// <value>The name.</value>
-        public string Name
-        {
-            get { return "Check for plugin updates"; }
-        }
-
-        /// <summary>
-        /// Gets the description.
-        /// </summary>
-        /// <value>The description.</value>
-        public string Description
-        {
-            get { return "Downloads and installs updates for plugins that are configured to update automatically."; }
-        }
-
-        public string Category
-        {
-            get { return "Application"; }
-        }
-
-        public bool IsHidden => true;
-
-        public bool IsEnabled => true;
-
-        public bool IsLogged => true;
-    }
-}