Fix doc errors

Jellyfin.Api/Controllers/DevicesController.cs

@@ -1,10 +1,8 @@
 #nullable enable
 
 using System;
-using System.Collections.Generic;
 using Jellyfin.Api.Constants;
 using MediaBrowser.Controller.Devices;
-using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Security;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Devices;
@@ -45,8 +43,8 @@ namespace Jellyfin.Api.Controllers
         /// <summary>
         /// Get Devices.
         /// </summary>
-        /// <param name="supportsSync">/// Gets or sets a value indicating whether [supports synchronize].</param>
-        /// <param name="userId">/// Gets or sets the user identifier.</param>
+        /// <param name="supportsSync">Gets or sets a value indicating whether [supports synchronize].</param>
+        /// <param name="userId">Gets or sets the user identifier.</param>
         /// <response code="200">Devices retrieved.</response>
         /// <returns>An <see cref="OkResult"/> containing the list of devices.</returns>
         [HttpGet]