Removed unused timeout excemption

Duplicati/Library/Backend/Backblaze/B2.cs

@@ -35,7 +35,7 @@ namespace Duplicati.Library.Backend.Backblaze;
 /// <summary>
 /// Backblaze B2 Backend
 /// </summary>
-public class B2 : IStreamingBackend, ITimeoutExemptBackend
+public class B2 : IStreamingBackend
 {
     /// <summary>
     /// The option key for specifying the Backblaze B2 account ID

Duplicati/Library/Backend/GoogleServices/GoogleCloudStorage.cs

@@ -33,7 +33,7 @@ namespace Duplicati.Library.Backend.GoogleCloudStorage
 {
     // ReSharper disable once UnusedMember.Global
     // This class is instantiated dynamically in the BackendLoader.
-    public class GoogleCloudStorage : IBackend, IStreamingBackend, IRenameEnabledBackend, ITimeoutExemptBackend
+    public class GoogleCloudStorage : IBackend, IStreamingBackend, IRenameEnabledBackend
     {
         private static readonly string TOKEN_URL = OAuthHelper.OAUTH_LOGIN_URL("gcs");
         private const string PROJECT_OPTION = "gcs-project";

Duplicati/Library/Backend/GoogleServices/GoogleDrive.cs

@@ -33,7 +33,7 @@ namespace Duplicati.Library.Backend.GoogleDrive
 {
     // ReSharper disable once UnusedMember.Global
     // This class is instantiated dynamically in the BackendLoader.
-    public class GoogleDrive : IBackend, IStreamingBackend, IQuotaEnabledBackend, IRenameEnabledBackend, ITimeoutExemptBackend
+    public class GoogleDrive : IBackend, IStreamingBackend, IQuotaEnabledBackend, IRenameEnabledBackend
     {
         private const string TEAMDRIVE_ID = "googledrive-teamdrive-id";
         private const string FOLDER_MIMETYPE = "application/vnd.google-apps.folder";

Duplicati/Library/Backend/OneDrive/MicrosoftGraphBackend.cs

@@ -44,7 +44,7 @@ namespace Duplicati.Library.Backend
     /// Note that instead of using Task.Result to wait for the results of asynchronous operations,
     /// this class uses the Utility.Await() extension method, since it doesn't wrap exceptions in AggregateExceptions.
     /// </remarks>
-    public abstract class MicrosoftGraphBackend : IBackend, IStreamingBackend, IQuotaEnabledBackend, IRenameEnabledBackend, ITimeoutExemptBackend
+    public abstract class MicrosoftGraphBackend : IBackend, IStreamingBackend, IQuotaEnabledBackend, IRenameEnabledBackend
     {
         private static readonly string LOGTAG = Log.LogTagFromType<MicrosoftGraphBackend>();
 

Duplicati/Library/Interface/ITimeoutExemptBackend.cs

@@ -1,29 +0,0 @@
-// Copyright (C) 2025, The Duplicati Team
-// https://duplicati.com, hello@duplicati.com
-// 
-// Permission is hereby granted, free of charge, to any person obtaining a 
-// copy of this software and associated documentation files (the "Software"), 
-// to deal in the Software without restriction, including without limitation 
-// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
-// and/or sell copies of the Software, and to permit persons to whom the 
-// Software is furnished to do so, subject to the following conditions:
-// 
-// The above copyright notice and this permission notice shall be included in 
-// all copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
-// DEALINGS IN THE SOFTWARE.
-
-namespace Duplicati.Library.Interface;
-
-/// <summary>
-/// Marker interface for backends that do not support timeouts on the streams
-/// </summary>
-public interface ITimeoutExemptBackend
-{
-}